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"Patterns of Force" was the 52nd episode of Star Trek: The Original Series, the 23rd episode of the show's second season, first aired on 16 February 1968. The episode was written by John Meredyth Lucas, directed by Vincent McEveety and novelized in Star Trek 12 by James Blish.


James T. Kirk, Spock and Leonard McCoy must stop a Nazi-like invasion of the planet Zeon by planet Ekos and Federation observer John Gill is the Ekosians' Führer!



Episode characters

AbromPavel ChekovDarasDavodEnegJohn GillBill HadleyIsakJames T. KirkLeonard McCoyMelakonMontgomery ScottSpockNyota Uhuraunnamed Ekosians and Zeonsunnamed USS Enterprise (NCC-1701) personnel
Referenced only
Adolf HitlerRamses IIJulius CaesarAlexander the GreatNapoléon BonaparteLee KuanUletta

Novelization characters

AbromPavel ChekovDarasDavodEnegJohn GillIsakJames T. KirkLeonard McCoyMelakonMontgomery ScottSpockNyota Uhura
Referenced only
Adolf HitlerRamses IIJulius CaesarAlexander the GreatNapoléon BonaparteLee KuanUletta

Starships and vehicles

USS Enterprise (Constitution-class heavy cruiser)


Ekos (M43-Alpha system, Orion constellation, the galaxy's Beta Quadrant)
Referenced only
Earth (Sol system, sector 001, Quadrant 0, Alpha Quadrant)

Shipboard areas

USS Enterprise
bridgetransporter room

Planetary locales

Ekosian Chancellery, Chancellery Detention Center, Gestapo Command Headquarter (in Ekosis, Thalossis kingdom state)
Referenced only

Races and cultures


Technology and weapons

communicatorEkosian missileEkosian pistolEkosian submachine gunintercommedical kitmedical tricorderprojectile weaponsensorsstarshipviewscreenmedi-comptranspondertransporterradiotricordersubcutaneous transponder

Materials and substances


States and organizations

FederationStarfleetNational Socialist PartySSFührer's Special Documentary CorpsGestapo

Ranks and titles

captainchief engineerchief medical officercolonelmajorcommandercommanding officercommunications officerchairmancultural observerdoctorengineerexcellencyFührerFederation Starfleet ranksFederation Starfleet ranks (2260s)first officerlieutenantlieutenant commanderhelmsmanmedical practitionernavigatorofficerDeputy Führerscientistscience officersecond officerweapons officertactical officercorporalsecretarypharoah

Other references

anarchyanatomyarmbeamingBonesbruisecancercapital citycityclothingcultural contaminationdrugfascismFederation membersfive-year missiongovernmenthomeworldhourHuman culturehumanoidlanguagelifeformlogicmatternation-stateorbitplanetpopulationquadrantraces and culturesrankPrime Directiveregulationspacestarstar systemStarfleet uniformStarfleet uniform (2260s)standard orbitsuicidetechnologytitleuniformuniverseVulcan neck pinchweapon

Final SolutiongamblingIron CrosskilometerLeader Principlemillimeterpigpsychosisspace fleetStarfleet AcademyswastikaswineVulcan mind probe


1930s/1940s (Human history)
The Nazis rise to power.
prior to 2268
Gill travels to Ekos and begins social changes. (prior to episode/novelization)
stardate 2534, 2268 (2260s chronology, 2264–2270 Enterprise voyages)
Enterprise travels to Ekos.
until 2287
Ekosian/Zeon tensions continue until Klingon intervention exacerbates the conflict. (SCE eBook: Fables of the Prime Directive)


Related media


Video releases




published order
Previous episode:
Return to Tomorrow
TOS episode produced Next episode:
The Ultimate Computer
Previous episode:
Return to Tomorrow
TOS episode aired Next episode:
By Any Other Name
Previous story:
first story
Star Trek 12
Next story:
The Gamesters of Triskelion
chronological order
Previous Adventure:
Return to Tomorrow
Pocket Next Adventure:
Uhura's Song
Previous Adventure:
Return to Tomorrow
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
Uhura's Song

External link