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Star Trek VI: The Undiscovered Country is the sixth film featuring the characters of Star Trek: The Original Series. It was released in December 1991, with a novelization and comic adaptation released in 1992.

Publisher's description[]

Stardate 9521.6: Internal pressures, enormous military expenditures, and the destruction of their primary energy source have brought the Klingon Empire to the verge of catastrophic collapse...

To avert disaster, Gorkon, Chancellor of the Klingon High Council, proposes negotiations between the Federation and Klingon Empire - negotiations that will put an end to the years of hostility between the two powers, and herald a new era of peace and co-operation. Captain James T. Kirk and the USS Enterprise-A are dispatched to escort the Chancellor safely into Federation space.

But a treacherous assassination brings negotiations to a sudden halt - and places Kirk and Dr. McCoy in the hands of the Federation's greatest enemy. With time running out, Spock and the Enterprise crew must work to uncover the deadly secret that threatens to propel the galaxy into the most destructive conflict it has ever known!


Klingons have recently attacked several Federation worlds, including the colony Kudao. An assault on Themis has left Carol Marcus, with whom Kirk has resumed his relationship, badly injured. Survivors report a ship that fired while cloaked. The Excelsior detects an explosion on the Klingon moon Praxis, which denies the Klingons much of their resources. The Federation authorities see this as an opportunity to sue for peace with the moderate Klingon chancellor Gorkon but Kirk and many others believe Klingons cannot be trusted.

Spock volunteers the Enterprise to escort Gorkon's party back to Earth but, after a fraught dinner descends into argument, the Enterprise apparently fires on Gorkon's ship, Kronos One, disabling it. Two Starfleet officers beam on board and gun down many of the occupants, including Gorkon. Kirk and McCoy beam over to try and help but Gorkon dies and they find themselves arrested for his assassination.

Gorkon's daughter Azetbur takes his place as chancellor and continues the peace initiative but insists Kirk and McCoy be tried. They are found guilty by a show trial and sentenced to life imprisonment on the penal colony Rura Penthe. However, Spock placed a tracking device on Kirk and he and McCoy get out of the prison's shield with help from a shapeshifting smuggler, Martia. It transpires Martia is leading them into a trap but is killed by the Klingons while Kirk and McCoy return to the Enterprise.

Spock and the others have deduced that Kronos One was fired on by a cloaked ship, allowing assassins to beam over from the Enterprise: Factions in both the Federation and the Klingons are working together to disrupt the peace process. The Enterprise's new helmsman, Valeris, is revealed to be a member of the conspiracy and Spock convinces her to divulge the identity of the leading conspirators: Admiral Cartwright, Gorkon's chief of staff General Chang and the Romulan ambassador Nanclus.

The Enterprise and Excelsior both head to the conference at Camp Khitomer, where they are attacked by Chang in the prototype cloaked ship, Dakronh. However, Spock and McCoy modify a torpedo to track the ship's plasma trail and the unshielded vessel is destroyed. Cartwright has a Klingon conspirator attempt to assassinate Azetbur, Federation president Ra-ghoratreii and Starfleet commander-in-chief William Smillie but is thwarted by the arrival of Kirk and his allies. The assassin is killed by Montgomery Scott and the others conspirators are taken into custody.

As the peace process continues, Kirk ignores an order to return to Earth to be decommissioned and takes the Enterprise out for one last voyage.

This summary is based on the novelisation. Some details differ from other versions of the story.
This article or section is incomplete
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Movie characters[]

AzetburHarlan BurkeLance CartwrightChangCh'dakPavel ChekovDaxDazGenrahGorkon, son of ToqGrokhKamaragKerlaKesla (aka Woteln) • KhmarrJames T. KirkKlaaKothLojurMartiaLeonard McCoyNanclusRa-ghoratreiiJanice RandThomas SamnoSarekMontgomery ScottWilliam SmillieSpockStex (aka Kor'choth) • Hikaru SuluNyota UhuraValerisDmitri ValtanePatrick WestWorfJackal Mastiff
Referenced only
G. CantamessaDavid MarcusRichard NixonOkrandEmily PostWilliam Shakespeare

Novelization characters[]

AzetburHarlan BurkeLance CartwrightChangPavel ChekovDaxGenrahGorkon, son of ToqGrokhImeaKamaragKamergKerlaKeslaKhmarrJames T. KirkKorrdLojurCarol MarcusMartiaLeonard McCoyHenry MulwrayNanclusPardekRa-ghoratreiiJanice RandThomas SamnoSarekMontgomery ScottWilliam SmillieSpockKwan-mei SuarezHikaru SuluThlemaNyota UhuraValerisMasoud ValtaneWorf
Referenced only
Marc ChagallJackson DahlAlexandre DumasIrina GalliulinAmanda GraysonKlaaKrugeDavid MarcusJoanna McCoyRichard NixonEmily PostSaavikSesslWilliam ShakespeareKhan Noonien SinghSohlarLawrence StylesSurakT'Paal

Comic Adaptation characters[]

AzetburHarlan BurkeLance CartwrightChangPavel ChekovGorkon, son of ToqKamaragKerlaJames T. KirkKothMartiaLeonard McCoyNanclusRa-ghoratreiiJanice RandThomas SamnoSarekMontgomery ScottWilliam SmillieSpockHikaru SuluNyota UhuraValerisDmitri ValtaneWorf


Alpha QuadrantBeta QuadrantCamp KhitomerDeltaEarthEiffel TowerKhitomerMorskaMortaghParisPraxisQo'noSReydovan sectorRura PentheSan FranciscoStarbase 23Starfleet Headquarters
Referenced only
AmritaAndorBoswelliaChinaGenesis PlanetGermanyKlingon Neutral ZoneKudaoOrganiaRigelShanaiKahrThemisVirginiaVulcanZorakis

Starships and vehicles[]

IKS Dakronh (B'rel-class) • USS Enterprise (Constitution-class) • USS Excelsior (Excelsior-class) • IKS Kronos One (K't'inga-class)
Referenced only
USS AhwahneeIKS BeriaUSS ChallengerUSS EagleUSS EmdenUSS EndeavourKlingon warbirdUSS KongoUSS LantreeUSS OberthIKS OkronaUSS PotemkinRomulan warbird

Races and cultures[]

Referenced only

States and organizations[]

Brotherhood of AliensKlingon Defense ForceKlingon EmpireKlingon High CommandKlingon High CouncilMarcuslabsRomulan Star EmpireStarfleetUnited Federation of Planets
Referenced only
Starfleet AcademyVulcan Diplomatic Corps

Ranks and titles[]

AdmiralAmbassadorBrigadierChancellor of the Klingon High CouncilCommander-in-Chief of the Federation StarfleetFleet admiralLieutenantLieutenant commanderLieutenant junior gradeRear admiral

Other references[]

Adam and Eve Expelled from Paradiseasteroidasteroid showeratmosphereBengaliCatullan liquorCinderellacloaking deviceDestruction of Praxisdilithiumgasgaseous anomalyGenesis Projectgravity bootHamletivoryKatraKhitomer ConferenceKlingoneseKlinzhaiKobayashi Maru scenarioKolinahrmedikitmoonOkrand's Unabridged Klingon DictionaryOperation RetrieveOrganian Peace TreatyqrokhangRomulan aleRussiansabotScottishshapeshiftersubspacesubspace shock waveteaTiberian batUkrainianuniversal translatorV'Gerviridiumxenogeologyspaceshock wavequadrantuniversetimeclothingteacupsaucerpantsenergyenergy waveviewscreenbootsjacketjumpsuitdeflector shieldhelmthrusterimpulse drivestarshipgasgaseous anomalymeteormeteor showermoonplanetstarstar systemsectorempirelifeformsensoratmospherecommunication


Khan Noonien Singh attempts to steal the Genesis Device, detonating it and creating the Genesis Planet, where Kruge kills Kirk's son, David.
Kirk contacts Carol Marcus to explain the circumstances of their son's death.
Kirk and the Enterprise-A are ordered on the Klingon peace mission.


Related stories[]

  • The Fearful Summons (TOS novel) - "A stunning sequel to Star Trek VI: The Undiscovered Country by one of the writers of the film."
  • Cast No Shadow features Valeris and expands on the Khitomer Conspiracy.
  • Cloak (TOS novel) - The novel Cloak establishes Admiral Cartwright as a Section 31 agent and subsequently implicates Section 31 in the Khitomer conspiracy.
  • The reference book The Klingon Hamlet expands on why the Klingons read "Wil'yam Shex'pir".
  • Assignment: Eternity (TOS novel) - This novel's prologue and epilogue feature the Khitomer Conference.
  • TOS video game: Klingon Academy - This game explains why Chang likes William Shakespeare and why he was part of the conspiracy. It also explains why the explosion of Praxis was devastating to the Klingons and how Gorkon became Chancellor.
  • Sarek (TOS novel) - This novel discusses the Romulans present at the Khitomer Conference.
Media featuring the USS Excelsior (NCC-2000) under Captain Hikaru Sulu
episodes/movies The Undiscovered CountryFlashback
novels The Undiscovered CountryThe Fearful SummonsThe Captain's DaughterThe Ashes of EdenStarfleet AcademyThe Captain's Table: War DragonsThe Lost Era: The SunderedExcelsior: Forged in FireFlashbackThe Lost Era: One Constant StarBurning Dreams
short stories "Dilithium Is a Girl's Best Friend"
comics Tests of Courage (The Tabukan Syndrome)A Wolf in Cheap Clothing (1234) • Captain's Log: SuluThe Undiscovered CountryThe Veteran
Captain Sulu Adventures
games Shattered Universe
characters Hikaru SuluPavel ChekovJanice RandDmitri ValtaneLeonard James AkaarLojurTuvokAltos Viger
published order
Previous comic:
Star Trek V: The Final Frontier
TOS novelizations Next comic:
Starfleet Academy
Previous story:
Star Trek V: The Final Frontier
Stories by:
J.M. Dillard
Next story:
chronological order
Previous adventure:
Memory Beta Chronology Next adventure:
Chapters 7-9, 11, 13, 14, 16, 18, 20 & 21
Previous adventure:
Pocket Books Timeline Next adventure:
Chapters 7-9, 11, 13, 14, 16, 18, 20 & 21
The above chronology placements are based on the primary placement in 2293.
The Memory Beta Chronology places events from this story in 1 other timeframe(s):
Previous adventure:
2293, two months earlier
Chapter 1; section 1
Next adventure:
Against Their Nature
Framing story and narration


Publicity images[]

Film images[]

Novelization images[]

Comic adaptation images[]

German : Star Trek VI: Das unentdeckte Land, translated by Andreas Branhorst. (Heyne)
French : Terre inconnue. (Presses Pocket)
Portuguese : A terra desconhecida. (Editora Aleph)
Japanese : 宇宙大作戦 スター・トレック6 未知の世界, translated by Hiroshi Saito. (Hayakawa Bunko)

External links[]