Episodes
500 entries
...But to ConnectZora is judged a new lifeform and joins Starfleet, the Federation assembly votes for first contact with Species 10-C, a…
...Nor the Battle to the StrongJake and Bashir find themselves caught in a war zone.
11001001The Bynars take over the Enterprise during a starbase refit.
11:59Neelix researches Janeway's revered ancestor Shannon O'Donnell and finds that her real story differs from the family le…
300th NightCaleb and friends locate his mother on a Venari Ral planet as a new threat traps the Federation.
A Case of ChiaroscuroUna, Uhura and M'Benga land on a color-drained, Klingon-occupied planet where Una is mistaken for a resistance leader w…
A Farewell to FarmsMa'ah returns to his family farm after losing command and, encouraged by Boimler, confronts a tyrant.
A Few Badgeys MoreRutherford's rogue AI Badgey hijacks a scavenger ship and splits into a kinder version of himself.
A Fistful of DatasA holodeck malfunction sets Worf in a Western with Data in every role.
A Man AloneOdo is accused of murder when a man he despised turns up dead.
A Mathematically Perfect RedemptionPeanut Hamper strands herself on a planet and bonds with its winged inhabitants, but has a plan of her own.
A Matter of HonorRiker serves as an exchange officer on a Klingon warship.
A Matter of PerspectiveRiker is accused of murder, and a holodeck reconstruction tests the evidence.
A Matter of TimeA man claiming to be a historian from the future visits the Enterprise as it races to save Penthara IV from a nuclear w…
A Moral StarThe Diviner offers to free Tars Lamora's miners if the crew returns the Protostar, so they devise a plan.
A Moral Star, Part 2Series finale
A Night in SickbayPorthos catches an alien pathogen, and Archer waits anxiously in sickbay while trying to repair relations with the offe…
A Piece of the ActionThe crew visits a planet whose culture was modelled on an Earth book about 1920s gangsters.
A Private Little WarKirk faces a decision about arming a primitive people when the Klingons already have.
A Quality of MercySeason finale
A Simple InvestigationOdo falls in love during an investigation.
A Space Adventure HourLa'An solves a murder mystery inside a holodeck simulation.
A Taste of ArmageddonTwo planets fight a war by computer, and the casualties report voluntarily to disintegration chambers.
A Time to StandSix-part war arc opener
A Tribble Called QuestOn a planet of giant genetically modified tribbles, the crew hunts bosonite while Zero learns their body is failing.
Absolute CandorPicard stops at Vashti to recruit Elnor, a young Romulan raised by the Qowat Milat, and La Sirena is rescued in a fight…
AccessionA man claiming to be the Emissary returns from the wormhole.
AcquisitionFerengi raiders knock out the crew and loot Enterprise, but Tucker escapes the effect and works with T'Pol and Archer t…
Ad Astra per AsperaUna Chin-Riley faces a court-martial for concealing her Illyrian heritage, defended by civil rights lawyer Neera Ketoul.
AfflictionKlingon arc; part one
AfterimageEzri Dax struggles with the reactions of Jadzia's friends, while helping a claustrophobic Garak confront the guilt behi…
AlbatrossDr. McCoy is accused of causing a plague years earlier on the planet Dramia.
AliceTom Paris falls in love with a shuttle.
All Good Things...Series finale
All Good Things..., Part IIPicard's journey across three time periods reaches its climax as he learns the anomaly he must stop began with his own …
All InBook and Tarka gamble for isolynium at a casino while Burnham tracks them and finds clues about the anomaly's source.
All Is PossibleBurnham and Saru help save Ni'Var's talks to rejoin the Federation, while Tilly and Adira are stranded with Academy cad…
All Our YesterdaysA time portal leaves Kirk, Spock and McCoy stranded in different eras of a dying planet.
All Those Who WanderAn away team searching for the missing USS Peregrine on an ice planet is stalked by newly hatched Gorn, and Hemmer sacr…
All the World's a StageThe crew helps villagers who imitate Starfleet fight a disease caused by a crashed shuttle.
AllegiancePicard is replaced by a duplicate as part of an alien experiment.
AlliancesJaneway's alliance with the Kazon splits her crew.
Alter EgoHarry Kim falls for a holographic character.
Amok TimeSpock's pon farr forces the Enterprise to Vulcan, where he must fight Kirk or die.
Among the Lotus EatersAt Rigel VII, radiation that erases memory leaves the away team trapped under a tyrant while Ortegas must pilot the amn…
An Embarrassment of DooplersA Doopler emissary who duplicates whenever he is embarrassed fills the Cerritos with copies, while Mariner confronts Bo…
An Obol for CharonA dying, planet-sized sphere seizes Discovery and shares its vast archive, while Saru seems to be dying of the Kelpien …
And the Children Shall LeadA group of children is manipulated by an evil entity into taking over the ship.
Angel OneThe crew visits a matriarchal society while a plague spreads aboard.
AnomalyPirates raid Enterprise in the Expanse, and Archer tracks them to a vast cloaked sphere while learning to use harsher m…
AnomalyGrieving the loss of Kwejian, Book flies into the gravitational anomaly to study it, while Culber and Adira give Gray a…
Apocalypse RisingSisko plans a daring mission into the Klingon Empire to find a Changeling.
AquielGeordi falls for a woman he knows only from her logs.
ArenaKirk is forced to fight the captain of a Gorn vessel in single combat, with a whole sector as the prize.
Armageddon GameBashir and O'Brien are hunted by the people they were helping.
AscensionZero gets a new suit as Asencia's ship attacks Voyager and the Protostar.
Ascension, Part IIThe Rev-1 cripples the Protostar and threatens Voyager, and Zero makes a sacrifice.
Ashes to AshesA former crew member returns as an alien.
Ask NotDuring an apparent attack on Starbase 28, Cadet Thira Sidhu is told to guard Captain Pike, a supposed mutineer, and ref…
Assignment: EarthA time-travelling operative, Gary Seven, intercepts the Enterprise in 1968 and entangles it in a rocket launch.
AssimilationThe crew escapes to 2024 with the Borg Queen's help, Elnor dies of his wounds, and Rios is arrested by immigration agen…
AsylumThe crew seeks refuge at a Starfleet relay station, where a hidden virus is triggered.
AttachedPicard and Dr. Crusher share each other's thoughts when imprisoned.
Author, AuthorThe Doctor writes a holo-novel that sparks a debate on the rights of holograms.
AwakeningArcher and T'Pol reach the Syrrannites, where Archer learns he carries Surak's katra, while V'Las prepares to strike.
Azati PrimeArcher locates the weapon at Azati Prime and plans a suicide run to destroy it, while the Xindi launch a devastating at…
BabelA mysterious virus spreads aboard the station and speech becomes garbled.
Babel OneBabel trilogy; part one
Badda-Bing, Badda-BangVic's holosuite is under threat from a rival.
Balance of TerrorA Romulan warship tests the Neutral Zone in a tense submarine-style duel with the Enterprise.
Bar AssociationRom organizes Quark's underpaid employees into a union and leads them on strike, defying Ferengi law and the Ferengi Co…
Barge of the DeadB'Elanna journeys to the Klingon underworld.
Basics, Part ITwo-part episode; part one
Basics, Part IIVoyager's crew is stranded on a primitive planet while the Kazon hold the ship.
Battle LinesKai Opaka and Sisko are trapped on a moon where the dead are revived.
Battle at the Binary StarsWar breaks out at the Binary Stars; Georgiou is killed aboard T'Kuvma's ship, Burnham kills T'Kuvma, and she is sentenc…
Before and AfterKes lives her life in reverse.
Behind the LinesDax leads the Defiant against a Dominion sensor array, while on the station the Female Changeling draws Odo away from K…
BemAn alien visitor on the Enterprise has a hidden agenda for his own species.
Beta TestAs the academic year begins, Caleb seeks his mother's trail while a Betazoid delegation's visit leads to Betazed rejoin…
Beyond the Farthest StarThe Enterprise encounters a derelict alien ship that holds an ancient, hostile entity.
BirthrightTwo-part episode; part one
Birthright, Part IIWorf attempts to teach the camp's young Klingons about honour.
Blaze of GlorySisko drags the imprisoned Eddington along to stop a supposed Maquis missile strike on Cardassia, only to learn Eddingt…
Blink of an EyeVoyager is trapped in orbit over a planet where time passes rapidly.
BlissThe crew is lured by a distant utopia.
Blood FeverVulcan Pon farr strikes Vorik and B'Elanna.
Blood OathDax's old Klingon friends call in a debt.
BloodlinesDaiMon Bok seeks revenge on Picard by targeting Jason Vigo, a young man who appears to be Picard's son.
Body PartsBelieving he is about to die, Quark sells his remains in advance, then learns he is healthy and must find a way out of …
Body and SoulTo escape hologram-hating Lokirrim captors, the Doctor hides his program inside Seven of Nine's body.
Booby TrapGeordi works with a holographic engineer to escape an ancient trap.
BorderlandAugment trilogy; part one
BoundArcher receives three Orion slave women as a gift, but they have plans of their own, while Tucker and T'Pol confront th…
BountyA Tellarite bounty hunter captures Archer to collect a Klingon reward, while T'Pol suffers from an infection that cause…
Bread and CircusesA planet where Rome never fell treats Kirk and his officers as gladiators and prisoners.
Breaking the IceReed and Mayweather study a comet as a Vulcan ship watches closely, while T'Pol weighs an arranged marriage and the cre…
Bride of Chaotica!Photonic aliens enter a holodeck serial.
BrinkGwyn sends the crew behind enemy lines to rescue her father, and they discover the source of Asencia's new weapons.
Broken BowTwo-part pilot
Broken Bow, Part IIArcher and his new crew pursue the Suliban Cabal to return the Klingon courier Klaang and uncover the start of the Temp…
Broken LinkOdo is stricken with a sickness and the Founders deliver an ultimatum.
Broken PiecesThe crew learns the Zhat Vash's ancient warning and Oh's role in the Mars attack, while Seven helps Elnor defend the Ar…
BrotherCaptain Pike takes command of Discovery to investigate seven mysterious signals, and Burnham glimpses a red figure at t…
BrothersData is mysteriously compelled to hijack the ship to see his creator.
Business as UsualQuark takes up with an arms dealer.
By Any Other NameThe Kelvans, visitors from another galaxy, take over the Enterprise for a long voyage home.
By Inferno's LightWorf and Garak work to escape from a Dominion prison camp.
Call to ArmsThe Dominion fleet approaches the wormhole and the station makes its stand.
CalypsoA sentient computer aboard a ship adrift for a thousand years rescues a man and grows attached to him.
CanamarMistaken for smugglers, Archer and Tucker are sent off on a prison transport, which other prisoners hijack while they a…
Captain's HolidayPicard's vacation on Risa becomes a hunt for a Ferengi treasure.
Captive PursuitA hunter arrives on the station chasing a prey who is not what he seems.
Carbon CreekAt dinner, T'Pol tells Archer and Tucker the story of her great-grandmother T'Mir, part of a Vulcan crew stranded in a …
CardassiansA Cardassian boy raised by a Bajoran family is caught in a political plot that draws in Garak, Dukat and Dr. Bashir.
CaretakerTwo-part pilot
Caretaker, Part IIJaneway weighs destroying the Array that stranded her ship, while Voyager's crew faces a long road home.
Carpenter StreetDaniels sends Archer and T'Pol to 2004 Detroit to stop Xindi Reptilians from making a biological weapon.
CathexisThe crew is attacked by a disembodied consciousness.
CatspawTwo aliens in a spooky castle terrorise the landing party in order to understand human fear.
Cause and EffectThe Enterprise is trapped in a time loop that always ends in destruction.
CavesTrapped in a collapsed cave, four friends swap stories of past ordeals and reaffirm their bond.
Cease FireArcher is asked to mediate a cease-fire between Andorians and Vulcans fighting over the disputed planet Weytahn.
Chain of CommandTwo-part episode; part one
Chain of Command, Part IIPicard is tortured by a Cardassian interrogator, Gul Madred.
Change of HeartWorf and Jadzia face a choice between mission and love.
CharadesAn accident with higher-dimensional aliens turns Spock fully human just before a family ritual with T'Pring, and Chapel…
Charlie XA teenager raised alone with extraordinary powers cannot cope with human society, and the Enterprise pays for it.
Child's PlayIcheb's parents arrive to reclaim him.
Children of MarsTwo rival schoolgirls on Earth are brought together by grief when rogue synthetics attack the Mars shipyards where thei…
Children of TimeThe Defiant crew discovers their descendants on a planet.
Children of the CometCadet Uhura discovers that a comet heading for a planet responds to music, while its alien guardians, the Shepherds, tr…
ChimeraOdo meets Laas, another of the Hundred Changelings sent out as infants, who urges Odo to leave humanoids behind and joi…
Choose Your PainLorca is captured by L'Rell and held with Harry Mudd and Ash Tyler, while Stamets wires himself into the spore drive to…
Choose to LiveBurnham arrests a Romulan nun who stole dilithium to save refugees in stasis aboard a disguised starship.
Chosen RealmReligious zealots seize Enterprise, intending to use it in their holy war and to punish Archer for violating a sacred s…
ChrysalisBashir's genetically enhanced friends are brought in again.
Civil DefenseA Cardassian lockdown program is triggered by accident.
CivilizationThe crew finds a pre-warp society and a hidden alien.
CluesThe crew loses a day, and Data won't say why.
CodaJaneway wakes in a loop of death.
Code of HonorThe crew negotiates for a vaccine on a world with a rigid honour code.
CogenitorTucker teaches a member of the Vissians' third sex to read and think for itself, with tragic results.
Cold FireVoyager meets an Ocampa colony cared for by Suspiria, the Caretaker's mate, and Kes is tempted by her growing mental po…
Cold FrontA stranger on board is connected to the Temporal Cold War.
Cold Station 12Soong and the Augments seize a Starfleet medical facility to steal hundreds of frozen Augment embryos.
CollectiveVoyager's crew finds young Borg who live without the Collective.
Come, Let's AwayA training exercise aboard a derelict ship becomes a hostage crisis.
Coming HomeThe fight against Tarka ends and Species Ten-C halt the anomaly, as Discovery returns to the Federation.
Coming of AgeWesley Crusher sits the Starfleet Academy entrance exam while Starfleet investigates the ship.
Concerning FlightThieves steal Voyager's computer core and the Doctor's mobile emitter, and Janeway enlists a holographic Leonardo da Vi…
ConspiracyPicard uncovers a plot inside Starfleet Command.
ContagionA computer virus that began on an ancient ship spreads through two fleets.
Context Is for KingsBurnham, now a prisoner, is transferred to the USS Discovery.
ConundrumThe crew loses its memory and is tricked into a war.
Cost of LivingA rebellious boy and Lwaxana teach the ship about fun.
CountdownArcher seeks the Aquatics' help as the Reptilians force a captured Sato to arm the weapon, and Major Hayes dies rescuin…
CounterpointJaneway protects telepaths from a hostile species.
Course: OblivionThe crew is dying as a duplicate ship falls apart.
Court MartialKirk faces a court-martial over the apparent death of a crewman, until it emerges that the man faked his own death to f…
CovenantKira finds her resolve tested by a cult led by Dukat.
Cracked MirrorA jump splinters Voyager across alternate realities, and the crew visits the Mirror Universe.
Crisis PointBoimler's holodeck simulation of the Cerritos is hijacked by Mariner, who turns it into a feature-film style adventure …
Crisis Point 2: ParadoxusBoimler's holodeck sequel spirals into a search for meaning, with Tendi taking over the story.
Critical CareThe Doctor is kidnapped and forced to work in a hospital.
CrossfireOdo struggles with his feelings for Kira as a Bajoran dignitary visits.
CrossoverKira and Bashir are flung into a mirror universe.
CrossroadsThe crew plans to hide the Protostar and travel on another ship, but Janeway disables their vessel and they flee to the…
Cupid's Errant ArrowMariner suspects that Boimler's new girlfriend Barbara is not what she seems, while Rutherford and Tendi tour the USS V…
DaedalusDr. Emory Erickson, inventor of the transporter, uses Enterprise in a secret experiment to recover his son, lost in a t…
Dagger of the MindAn escaped inmate from a penal colony reveals that its director is experimenting on his patients.
DamageBadly damaged after the Xindi attack, Enterprise steals a warp coil from an alien ship to stay in the race to save Eart…
Dark FrontierTwo-part episode; part one
Dark Frontier, Part IIJaneway's risky plan to seize Borg technology reaches its conclusion as the Borg Queen closes in.
Dark PageLwaxana's repressed memories threaten her mind.
DarmokPicard is stranded with a Tamarian captain who speaks only in metaphor.
Data's DayA day in the life of Data, including a wedding and a spy mission.
DataloreThe crew finds and reassembles Lore, an earlier android built by Data's creator, who plots to hand the Enterprise to th…
DawnTucker crash-lands on a moon after an Arkonian pilot shoots down his shuttlepod, and the two must cooperate to survive.
DaxJadzia Dax is arrested for a crime committed in a previous host's life.
Day of HonorB'Elanna tries to find her path in an old tradition.
Day of the DoveAn energy being that feeds on hatred sets the Klingons and the crew against each other.
Dead StopThe damaged Enterprise docks at an automated alien repair station that fixes the ship quickly but secretly harvests the…
DeadlockA duplicate Voyager from a space anomaly causes a mirror-image crisis.
Dear DoctorPhlox faces an ethical question on a planet with a dying species.
Death WishA Q wishes to die and asks Janeway for help.
DefiantRiker's double steals the Defiant in a plan involving the Maquis.
DemonVoyager lands on a scorching Demon-class planet to obtain deuterium and finds a silvery liquid that copies Kim and Pari…
DemonsA xenophobic movement threatens talks among several worlds on a new coalition, while T'Pol learns she is the mother of …
DescentTwo-part episode; part one
Descent, Part IIThe crew learns what is happening to Data and the Borg.
Desert CrossingZobral, a desert leader with ulterior motives, invites Archer and Tucker to his world, leaving them stranded in a harsh…
Despite YourselfStranded in the mirror universe, Discovery poses as its Terran counterpart, and Tyler's hidden conditioning drives him …
DestinyProphecies about the Bajoran wormhole come due with a Cardassian visit.
DetainedArcher is held in a Suliban internment camp.
Devil's DueA con artist claims to be the devil to claim a planet.
Die TryingDiscovery reaches the remnants of Starfleet headquarters, and to prove itself retrieves seeds from a stranded ship whos…
DisasterA quantum filament cripples the Enterprise, leaving Troi in command of the bridge and other crew trapped across the shi…
DisengageVadic's warship the Shrike demands Jack Crusher, Picard realizes Jack is his son, and Worf is revealed as Raffi's handl…
DisplacedCrew members are replaced by aliens in a strange way.
Distant OriginSaurian scientists find evidence they are from Earth.
Distant VoicesA telepathic attack leaves Bashir trapped inside his own mind, where he ages rapidly and must work out how to wake up b…
DivergenceWith help from the Columbia, the crew stops sabotage aboard Enterprise, and Phlox finds a cure that leaves many Klingon…
Doctor Bashir, I PresumeA holographic doctor is modeled on Dr. Bashir.
Doctor's OrdersWhile the crew sleeps in comas to cross a dangerous region, Phlox runs the ship alone and begins to doubt what he is se…
DominionPicard lures Vadic aboard the Titan and learns her history, but Lore seizes the ship and frees her, and she captures th…
Dos CerritosPulled into a parallel universe, Mariner is swapped with her alternate self, a strict captain, while Tendi leads an Ori…
Dragon's TeethVoyager revives the Vaadwaur, a people asleep for nine centuries, only to find they were once a menace to the whole reg…
Dramatis PersonaeA telepathic echo sets the crew on a path to mutiny.
DreadnoughtA missile B'Elanna reprogrammed in the Maquis returns to attack.
Dream CatcherOn a welcoming planet each crewmember faces illusions of their deepest desires, and Dal must break free to rescue them.
DriveParis and B'Elanna's romance is complicated by a race.
DroneA Borg drone is created by a transporter accident.
DuetA Cardassian who appears to be a war criminal is held on the station and Kira struggles with her past.
Déjà QQ is stripped of his powers and takes refuge on the Enterprise.
E2Enterprise meets a version of itself whose crew became stranded in the past, now led by Lorian, the son of Tucker and T…
Elaan of TroyiusThe Enterprise ferries a spoiled but dangerous princess to a political marriage as Klingon ships close in.
Elementary, Dear DataGeordi asks the holodeck for a Sherlock Holmes foe who can outwit Data.
ElogiumVoyager is caught in a swarm of lifeforms, and Kes feels her time to have a child.
EmanationsHarry Kim is lost on a world where bodies of the dead are laid to rest.
EmergenceThe ship develops an intelligence of its own.
EmissaryTwo-part pilot
Emissary, Part IISisko discovers a stable wormhole and must explain linear existence to the aliens within it, while Kira bluffs a Cardas…
Empathological FallaciesT'Lyn's emotions spread telepathically through the crew after Betazoid diplomats seize the ship.
Empok NorA group of the crew are on an abandoned station, with a killer.
Encounter at FarpointTwo-part pilot
Encounter at Farpoint, Part IIPicard's crew solves the mystery of Farpoint Station while Q watches to decide whether humanity has earned its place am…
EndgameSeries finale
Endgame, Part IIAn older Janeway's mission to change Voyager's fate comes to a head as the ship nears the Alpha Quadrant.
Ensign RoA rebellious Bajoran officer joins the crew to track down a terrorist.
EnvoysBoimler and Mariner ferry a Klingon general to Tulgana IV, while Rutherford tries leaving engineering to spend time wit…
Ephraim & DotIn this animated short, a tardigrade searching for a nesting place clashes with a repair drone named Dot.
EquilibriumDax's memories uncover a secret about the Trill.
EquinoxTwo-part episode; part one
Equinox, Part IIJaneway's pursuit of Captain Ransom takes a dark turn.
ErigahA death on the chase sparks a Breen declaration of war, and the next clue points to the Badlands.
Errand of MercyThe first meeting with the Klingons ends with two empires being told to stand down by a people they thought helpless.
EthicsWorf's injury sparks a medical debate.
EvolutionWesley's experiment gets loose in the ship's computer.
Ex Post FactoParis is on trial for a murder he does not remember.
ExileA lonely telepath named Tarquin offers to help find the Xindi if Sato stays with him on his isolated world.
ExplorersSisko and Jake build a working replica of an ancient Bajoran solar sailing ship to show that early Bajorans could have …
ExtinctionArcher, Sato and Reed are infected by a virus that mutates them into members of a long-extinct species, the Loque'eque.
Extreme MeasuresBashir and O'Brien enter the mind of a dying Sloan to find the Section 31 cure that could save Odo.
Extreme RiskB'Elanna takes dangerous risks after a loss.
Eye of the BeholderInvestigating a crew member's suicide, Troi is drawn into visions of an old murder from the ship's construction.
Eye of the NeedleA micro-wormhole offers a way home but not quite as hoped.
Face of the EnemyTroi is surgically disguised as a Romulan agent.
Face the StrangeA time bug traps Discovery in a loop through its own history, and Burnham must rally her crew to break it.
FacesB'Elanna is split into Klingon and human halves by the Vidiians.
FacetsDax and her previous hosts' personalities meet in a ritual.
Fair HavenThe crew visits a holographic Irish village.
Fair TradeNeelix questions his place on the ship.
Fallen HeroEnterprise ferries the Vulcan ambassador V'Lar, expelled from Mazar in disgrace, while Mazarite ships pursue them.
False ProfitsNeelix and Paris meet Ferengi who are impersonating gods.
FamilyPicard returns to his family's vineyard in France to recover.
Family BusinessQuark must face his mother, who has broken Ferengi law.
Far Beyond the StarsSisko sees himself as a science fiction writer in 1950s America.
Far From HomeDiscovery crash-lands on an icy world, and Saru and Tilly seek help in a mining settlement oppressed by the courier Zar…
FarewellSeason finale
FascinationDuring the Bajoran Gratitude Festival, Lwaxana Troi's visit coincides with a wave of misplaced romantic attraction that…
Favor the BoldThe Federation attempts to retake the station.
Favorite SonHarry Kim visits a planet where he is the favored son.
Ferengi Love SongsA depressed Quark goes home to Ferenginar and discovers his mother Ishka is secretly romancing Grand Nagus Zek.
Field of FireA killer in the station targets Starfleet officers.
Fight or FlightHoshi Sato struggles with life in space as Enterprise finds an alien ship whose crew has been killed and drained of a b…
Final MissionWesley and Picard are stranded on a desert moon.
First Con-tactA distress call leads the crew to Nandi, a smuggler who raised Dal, and a crystal heist goes wrong.
First ContactRiker is hospitalised on a planet on the brink of space travel.
First First ContactSeason finale
First FlightAfter learning of a friend's death, Archer tells T'Pol about his early test flights and rivalry with fellow pilot A.G. …
FirstbornA Klingon who offers to train Alexander proves to be Alexander's own future self, trying to change history.
Fissure QuestClone-captain William Boimler leads a mixed crew hunting interdimensional rifts.
FlashbackTuvok relives a mission with Captain Sulu aboard the Excelsior.
Flesh and BloodTwo-part episode; part one
Flesh and Blood, Part IIThe Doctor stands with hunted holograms.
Fly Me to the MoonTallinn reveals she guards Picard's ancestor Renée, Q enlists the geneticist Adam Soong against her, and the dying Borg…
For the CauseSisko's girlfriend is found to be aiding the Maquis.
For the UniformSisko goes after a rogue Maquis leader with a vendetta.
For the World Is Hollow and I Have Touched the SkyDr. McCoy discovers he is dying and finds that an asteroid is actually a generational ship.
Force of NatureA pair of scientists warn that warp travel is damaging space.
Forget Me NotBurnham takes Adira to Trill to unlock the memories of the symbiont Tal, while Saru tries to help the crew cope with th…
Fortunate SonEnterprise helps the cargo ship Fortunate after a Nausicaan attack, but its acting captain is secretly holding a Nausic…
Four-and-a-Half VulcansA mission turns several officers into Vulcans, and Spock must reverse their altered personalities.
Frame of MindRiker suffers a series of disturbing delusions.
Friday's ChildA Federation mission to a warrior planet gets tangled in tribal succession and a pregnant widow.
Friendship OneVoyager finds a probe that caused a disaster.
Fully DilatedMariner, Tendi and T'Lyn spend a year undercover on a pre-industrial world where time runs far faster than on the Cerri…
FuryKes returns with a vendetta against Janeway.
FusionEnterprise meets Vulcans who embrace their emotions, and T'Pol agrees to a mind meld with one of them that leaves her d…
Future ImperfectRiker wakes sixteen years later with no memory of the intervening time.
Future TenseEnterprise recovers a small derelict ship from the future and is attacked by both Suliban and Tholians, who want it for…
Future's EndTwo-part episode; part one
Future's End, Part IIThe crew tries to prevent the destruction of Earth.
Galaxy's ChildThe crew faces a space-dwelling creature and its newborn.
GambitTwo-part episode; part one
Gambit, Part IIPicard and Riker work undercover among mercenaries collecting pieces of an ancient Vulcan psionic weapon.
GenesisA virus turns the crew into earlier life forms.
Ghost in the MachineTrapped in personal holodeck simulations, the crew learns the hologram Janeway has been secretly controlled.
Ghosts of IllyriaA light-craving virus spreads through the Enterprise after a visit to an abandoned Illyrian colony, and Number One reve…
Good ShepherdJaneway takes three crew members under her wing.
GravityTuvok and Paris are stranded on a planet with an alien woman.
GroundedWith Captain Freeman on trial for bombing the Pakled homeworld, Mariner leads her friends in sneaking aboard the impoun…
Half a LifeLwaxana's guest falls in love and faces a society's ritual.
HarbingerEnterprise recovers a dying alien from a pod near the spheres, while Reed and Hayes come to blows and Tucker and T'Pol …
Hard TimeChief O'Brien is given twenty years of memories as a prisoner and struggles to return to normal.
HatcheryAfter exposure to a chemical from an Insectoid ship, Archer becomes obsessed with protecting the Xindi eggs he finds th…
HavenTroi's arranged marriage and a plague-ridden ship complicate a visit to Haven.
Hear All, Trust NothingFreeman's trade talks with the Karemma on Deep Space 9 turn chaotic when Quark is kidnapped.
Heart of GloryThe crew meets Klingon survivors who want to resume a warrior's life.
Heart of StoneOdo and Kira are trapped in a cave, with a strange crystal growing on her.
HegemonySeason finale
Hegemony, Part IIPike's crew tracks captured colleagues to a hidden Gorn homeworld and tries to rescue them.
Hero WorshipAn orphan boy copies Data after a rescue.
Heroes and DemonsThe Doctor is sent to the holodeck to rescue a lost crew.
Hide and QQ gives Riker godlike powers as a test of character.
Hide and SeekThe Queen and Soong attack La Sirena and the Picard estate, Picard faces his mother's death, and Jurati becomes a new, …
Hippocratic OathBashir is held hostage by a Jem'Hadar who is trying to break free of the Dominion.
His WayOdo takes Vic Fontaine's advice on love.
Hollow PursuitsLt. Barclay hides in holodeck fantasies about the crew.
HomeEnterprise returns to Earth after the Xindi mission, where Archer confronts his trauma, Phlox meets anti-alien hostilit…
Home SoilTerraformers on Velara III uncover a form of intelligent life.
HomefrontTwo-part episode; part one
HomesteadNeelix finds a community of Talaxians.
HomewardWorf's brother violates the Prime Directive to save a doomed people.
Honor Among ThievesO'Brien goes undercover in an Orion crime syndicate.
Hope and FearVoyager meets an alien who offers a way home.
HorizonAfter his father dies, Mayweather visits his family's cargo ship, the Horizon, and helps defend it from raiders.
How Sharper Than a Serpent's ToothA giant feathered serpent, Kukulkan, claims the Enterprise crew as his worshippers.
Human Best FriendOrtegas and Scotty wake from shore leave with memory gaps and must recover a missing shuttle and stop a bomb aimed at p…
Human ErrorSeven falls in love in the holodeck.
HuntersVoyager receives letters from home, with a catch.
I Have No Bones Yet I Must FleeMariner acts out hoping for a demotion, then helps recapture a creature escaped from a menagerie.
I, BorgThe crew rescues a lone Borg drone and must decide his fate.
I, ExcretusPandronian drill instructor Shari yn Yem puts the crew through holodeck training scenarios that only Boimler passes, wh…
I, MuddHarry Mudd has set himself up as ruler of a planet of androids and plans to hand the Enterprise over to them.
Identity CrisisGeordi's old friend begins to change into something else.
If Memory ServesBurnham takes Spock to Talos IV, where the Talosians heal his mind and Pike is reunited with Vina.
If Wishes Were HorsesThe crew's imaginings become real on the station.
Image in the SandNine-part final arc
Imaginary FriendA girl's imaginary friend is more than it seems.
ImperfectionSeven's implant fails and Icheb risks his life.
Imposter SyndromeDal and friends create holograms to take their places while they board the doomed Infinity.
ImpostersRo Laren comes to arrest Picard and Riker, reveals the Changelings have infiltrated Starfleet, and sacrifices herself t…
Improbable CauseTwo-part episode; part one
ImpulseEnterprise finds a Vulcan ship whose crew has been driven mad by trellium-D, and T'Pol starts showing the same symptoms.
In Purgatory's ShadowTwo-part episode; part one
In TheoryData tries to understand a romance with a crewmate.
In a Mirror, DarklyTwo-part episode; part one
In a Mirror, Darkly, Part IIMirror Archer takes the 23rd-century Defiant from the Tholians and uses it in a bid for power, but he is betrayed.
In the CardsJake and Nog set out to get a baseball card for Sisko.
In the Cradle of VexilonThe Cerritos visits a habitat with a faltering computer while the junior crew haze a lieutenant.
In the FleshChakotay is face to face with an alien Starfleet Academy.
In the Hands of the ProphetsA Bajoran spiritual leader sparks a conflict over what is taught to the children.
In the Pale MoonlightSisko recounts to his log how he lied, cheated and bribed to bring the Romulans into the war.
IndiscretionKira and Dukat search for a missing ship with prisoners.
Infinite RegressSeven of Nine's mind is shared by other drones.
InheritanceData meets a woman who claims to be his creator's wife.
InitiationsChakotay is captured by a young Kazon on a ritual hunt.
InnocenceThe crew meets children who age backwards.
InquisitionBashir is interrogated by Section 31 agents.
Inside ManA hologram of Barclay offers a path home, but it is a trick.
Inter Arma Enim Silent LegesAt a conference on Romulus, Bashir is drawn into a Section 31 operation that is not what it seems.
InterfaceGeordi uses a probe to reach a stranded ship, and his mother may be on board.
Into the BreachJaneway recruits the cadets for the new Voyager, but they are sidelined until they uncover a secret rescue mission.
Into the Breach, Part IIGwyn's bid for Solum's trust fails when she is framed as a threat, and she flees to reunite with a younger Ilthuran.
Into the Forest I GoLorca defies orders to stay and defend Pahvo, and Burnham and Tyler board Kol's ship while Stamets makes 133 jumps to b…
Invasive ProceduresA Trill outcast takes the station hostage to steal Dax's symbiont.
InvestigationsNeelix investigates a traitor on board.
Is There in Beauty No Truth?Zero seeks a new body on Ovidia IV, where a deadly ritual looms, while Janeway hunts for the real Gwyn.
Is There in Truth No Beauty?A Medusan ambassador is carried aboard in a box, and his form can drive observers mad.
It's Only a Paper MoonNog tries to cope with his injury in Vic's holosuite.
JetrelNeelix confronts the scientist whose weapon destroyed his home.
JinaalBurnham and Book travel to Trill, where a symbiont's former host guides them while Culber has an unsettling experience.
Journey to BabelA conference of ambassadors becomes a murder mystery, and Spock must reckon with his father.
Journey's EndWesley comes home as the Federation orders a colony to be moved.
JudgmentArcher is tried by a Klingon tribunal for helping refugees, with an aged advocate, Kolos, arguing in his defense.
JuggernautB'Elanna faces a monster in a radioactive ship.
JusticeThe crew is drawn into the harsh laws of a seemingly idyllic planet.
Kayshon, His Eyes OpenAn away team cataloguing a dead collector's estate is caught by its automated defenses, while a transporter accident on…
Kids These DaysCaleb Mir, a fugitive seeking his mother, enrolls at the academy as an attack tests the cadets aboard the Athena.
Kir'SharaArcher and T'Pol bring the Kir'Shara, an artifact with Surak's original teachings, to Vulcan, exposing V'Las and reform…
Ko'ZeineCadets on break face mixed fortunes, and Caleb and Genesis are punished after breaking into the Athena's bridge.
KobayashiDal repeatedly fails a holodeck captaincy test while Gwyn decodes a hidden enemy message.
Kobayashi MaruCaptain Burnham takes Discovery on a rescue near Book's homeworld Kwejian, which is then destroyed by a mysterious grav…
LabyrinthsAt an ancient archive, Burnham faces a mental test set by an AI for the final map piece while power shifts among the Br…
Lagrange PointDiscovery finds a structure between two black holes, and Burnham plans a heist aboard a rival's dreadnought.
Last Flight of the ProtostarThe crew finds Chakotay stranded for a decade on Ysida and works to restore his resolve.
Last Flight of the Protostar, Part IIThe crew turns the Protostar into a sailing ship to cross a vapor ocean for fuel.
Latent ImageThe Doctor deals with the memory of a patient lost.
Learning CurveTuvok trains Maquis crew members in Starfleet protocol.
LegacyTasha Yar's sister appears on the world where Tasha was raised.
LessonsPicard's romance with a crew member tests his judgment.
Let He Who Is Without Sin...A vacation on Risa becomes a hotbed of intrigue.
Let Sleeping Borg LieThe crew asks a dormant Borg cube for help removing the weapon, and Zero is briefly assimilated before Gwyn frees them.
Let That Be Your Last BattlefieldTwo beings from the same world who hate each other over their skin colour carry their war aboard the Enterprise.
LetheBurnham leads a rescue for Sarek after a logic extremist's attack, while Admiral Cornwell takes his place at peace talk…
Level-Five Transporter AccidentA record-breaking transporter attempt by Scotty turns everyone aboard except Spock into puppets just as Orion pirates b…
LiaisonsDiplomats visiting the ship put the crew in awkward positions.
Life LineThe Doctor transmits his program to Jupiter Station to treat his ailing creator, Lewis Zimmerman.
Life SupportBashir tries to save Vedek Bareil after an accident.
Life, ItselfBurnham and Moll reach a higher-dimensional structure and decide who should hold its power, followed by a wedding and a…
LifesignsThe Doctor falls in love with a Vidiian patient.
Lift Us Where Suffering Cannot ReachPike escorts the young First Servant of Majalis home and discovers that the planet's paradise depends on sacrificing a …
Light and ShadowsOn Vulcan, Burnham finds that Amanda has been hiding a troubled Spock, while a time rift's probe infects Airiam.
Like Chronitons Through the HourglassPike wakes with apparent amnesia in a melodramatic soap-opera version of his crew, all under Trelane's mind control.
LineageB'Elanna fears for her unborn child.
Little Green MenQuark, Rom and Nog end up in 1947 Roswell.
Live Fast and ProsperCon artists posing as Janeway and Tuvok swindle a mining colony, and the real crew set out to catch them.
Living WitnessA backup of the Doctor is activated 700 years later.
Lonely Among UsAn energy being boards the ship during a delicate diplomatic mission.
Looking for par'Mach in All the Wrong PlacesQuark's attempt to woo a Klingon woman gets complicated.
Lost and FoundA group of young aliens finds an abandoned Starfleet ship in a prison mining colony.
Lost and Found, Part IIDal and his fellow prisoners escape Tars Lamora aboard the abandoned USS Protostar, with the Diviner and Drednok in pur…
Lost in TranslationUhura is tormented by hallucinations while the Enterprise helps the USS Farragut repair a deuterium refinery, and she d…
Loud as a WhisperA mediator who communicates through a chorus faces a crisis.
Lower DecksFour junior officers are involved in a secret Cardassian mission.
MacrocosmA giant virus takes over the ship.
Magic to Make the Sanest Man Go MadHarry Mudd uses a time crystal to loop the same half hour aboard Discovery so he can sell the ship to the Klingons, and…
Man of the PeopleAn ambassador's mental projection harms Troi.
ManeuversSeska steals technology from Voyager with a Kazon ally.
ManhuntTroi's mother Lwaxana arrives for a conference, with a suspect delegation.
Maps and LegendsPicard learns of the Zhat Vash and asks Starfleet for a ship to find Soji, while Soji grows close to the Romulan agent …
MaraudersArcher helps a deuterium mining colony stand up to Klingon raiders who regularly take the fuel by force.
MasksAn ancient archive transforms the ship into an alien culture's mythology.
MasqueradeA geneticist reveals Dal is augmented with other species' DNA, and an implant gives him powers he struggles to control.
MeldTuvok mind-melds with crewman Lon Suder to understand why he killed a shipmate and then struggles with the violent impu…
MeloraA wheelchair-bound ensign faces the demands of working aboard the station.
Memento MoriLa'An Noonien-Singh recognizes a Gorn trap as the Enterprise is attacked near a brown dwarf, and the crew must outwit t…
MemorialThe crew is haunted by memories of a massacre.
MercyQ tells Guinan he is dying, Picard wins over the FBI agent Wells, and the Borg Queen persuades Soong to help her seize …
MeridianDax falls in love with a man from Meridian, a planet that exists in normal space only briefly before shifting out of ph…
Message in a BottleThe Doctor is sent to an Alpha Quadrant ship through a distant array.
MetamorphosisA shuttle crash strands Kirk's party with a reclusive scientist and a luminous entity that loves him.
MindwalkDal swaps bodies with Admiral Janeway, who learns the crew's story as a Federation armada closes in.
MinefieldEnterprise strikes a cloaked Romulan mine, and Reed is pinned to the hull by another as he tries to disarm it.
Mining the Mind's MinesEnsigns disarming psychic mines on Jengus IV stumble onto a hidden lab and a spy device.
MiriThe crew finds a duplicate Earth where only children survive, and a disease is killing the landing party.
Mirror, MirrorA transporter accident sends Kirk and others to a brutal parallel universe where the Federation is an empire.
MirrorsBurnham and Book chase the couriers through a wormhole to a mirror-universe ship and a tense standoff over a hidden map…
Moist VesselFreeman promotes Mariner to push her off the ship, but the two must work together when xenoforming material from a towe…
MonstersIn a coma, Picard relives his childhood and sees his parents anew, then is arrested with Guinan by an FBI agent, while …
More Tribbles, More TroublesThe Enterprise escorts grain ships to Sherman's Planet, rescues Cyrano Jones from the Klingons and has to cope with his…
Mortal CoilNeelix dies and is brought back, shaking his faith.
Move Along HomeThe Wadi trap the senior staff in a life-size game.
Much Ado About BoimlerA transporter mishap leaves Boimler phasing in and out of reality and sends him to a Starfleet medical facility, while …
Mudd's PassionHarry Mudd sells a love potion on a mining planet.
Mudd's WomenA smooth-talking smuggler delivers three remarkable women to lonely miners, and Kirk learns the secret of their allure.
Mugato, GumatoWhile Boimler and Rutherford suspect Mariner is a Section 31 agent, the crew discovers Ferengi harvesting Mugato horns …
MuseB'Elanna becomes the muse of a playwright.
Ménage à TroiA Ferengi DaiMon becomes infatuated with Lwaxana Troi and kidnaps her, Deanna and Riker.
Natural LawChakotay and Seven are stranded on a planet with a native tribe.
Necessary EvilWhen Quark is shot over a strongbox, Odo reopens an unsolved murder from the Cardassian occupation in which Kira was on…
NemesisChakotay is captured by an enemy that is not what he seems.
NepentheOn Nepenthe, Picard and Soji are sheltered by William Riker and Deanna Troi, while Hugh is killed on the Artifact and J…
New EdenA second signal leads Discovery to Terralysium, a planet of humans whose ancestors were brought there from Earth during…
New GroundA new propulsion test puts the ship in harm's way as Worf deals with his son.
New Life and New CivilizationsBatel takes on a dangerous role to imprison the Vezda, leaving Pike to move on as the Enterprise sets out to explore.
NightA lonely stretch of space without stars brings the crew's morale to a low.
Night TerrorsThe ship is stranded as crew members fall to waking nightmares.
NightingaleHarry Kim is given a command on an alien ship.
No Small PartsThe Cerritos is overpowered by the Pakleds after finding a destroyed Starfleet ship, and Lieutenant Shaxs sacrifices hi…
No Win ScenarioWith the Titan running out of power, Picard bonds with Jack, Shaw recalls Wolf 359, and the crew uses the nebula's ener…
Non SequiturHarry Kim wakes up in an alternate reality, back on Earth.
North StarThe crew finds a world of humans in an American West.
Nothing HumanThe Doctor faces an ethical dilemma over a medical hologram's data.
OasisArcher's team finds survivors aboard a ship that crashed years earlier, but most of the crew turn out to be holograms c…
Observer EffectTwo Organians possess members of the crew to watch how they respond when Sato and Tucker contract a deadly silicon-base…
Observer's ParadoxMurf's mural points to coordinates that a humpback whale helps decode, while Gwyn's visions intensify.
ObsessionKirk becomes fixated on a vapour creature that killed part of his old crew.
Of Gods and AnglesPeace talks between two light-based species falter until the delegates' children offer a surprising solution.
Off-HourThe Enterprise is caught in a wormhole-like anomaly that causes system failures and injuries while Chapel fights to sav…
Old Friends, New PlanetsNick Locarno threatens to use a Genesis Device unless his rebel fleet is recognized, and Freeman defies orders to rescu…
Once La'An a TimeOn a mobile planet recreating a fairy-tale kingdom, La'An is cast as a princess and confronts her softer side while sto…
Once More Unto the BreachKor joins the war effort at Worf's side.
Once Upon a PlanetBack on the Shore Leave planet, the crew finds that its untended master computer has turned against visitors and wants …
Once Upon a TimeNeelix keeps Naomi Wildman occupied with a holodeck storybook while her mother is missing after a shuttle crash.
OneSeven of Nine must run the ship alone.
One Little ShipA runabout is shrunk by a space anomaly, and its tiny crew must slip inside the Jem'Hadar-captured Defiant to help reta…
One Small StepChakotay explores an old Mars mission.
One of Our Planets Is MissingA cloud-like creature devours planets and heads toward a populated world.
Operation -- Annihilate!Parasitic creatures spreading across the galaxy take over Kirk's brother's colony and threaten his crew.
Orders of MagnitudeAdmiral Reeger takes command of the Enterprise and orders a planet destroyed, forcing Kirk to stop him while uncovering…
Our Man BashirThe senior staff become characters in a spy fantasy.
OuroborosAsencia launches temporal-weapon fleets at Federation bases while Voyager and the Protostar buy time.
Ouroboros, Part IIThe Protostar enters the wormhole to stop the Loom and fix the paradox, and the kids get a new ship.
ParadiseA planet's colonists have been living without technology.
Paradise LostSisko finds that Admiral Leyton and a group in Starfleet staged the crisis on Earth in an attempt to impose military ru…
ParallaxVoyager is trapped inside the event horizon of a quantum singularity while Janeway chooses between Carey and Torres for…
ParallelsWorf slips between alternate realities, including one where the Borg won.
Parth Ferengi's Heart PlaceFreeman outwits Grand Nagus Rom and First Clerk Leeta during talks on Ferengi admission to the Federation, while the ne…
ParturitionNeelix and Tom Paris care for an orphaned alien.
Past PrologueA Bajoran terrorist seeks asylum on the station while Kira's old comrades test her loyalties.
Past TenseTwo-part episode; part one
Past Tense, Part IIThe trio tries to save a sanctuary district from violence.
PathfinderReginald Barclay contacts Voyager through a tricky scheme.
Patterns of ForceA historian's well-intentioned experiment has turned a society into a copy of Nazi Germany.
Peak PerformanceA war game against an old ship tests Riker and Data.
Pen PalsData breaks the Prime Directive to answer a young alien's distress call.
PenanceQ traps Picard and his friends in a timeline ruled by the xenophobic Confederation of Earth, and the only way out is th…