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That Which Survives

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"That Which Survives" was the 69th episode of Star Trek: The Original Series, the 14th episode of the show's third and final season, first aired on 24 January 1969. The episode was written by Michael Richards and John Meredyth Lucas, directed by Herb Wallerstein and novelized in Star Trek 9 by James Blish.



Robert D'AmatoHadleyJames T. KirkRoger LemliLosiraJabilo M'BengaLeonard McCoyRahdaSanchezMontgomery ScottSpockHikaru SuluNyota UhuraVinciJohn B. WatkinsWyatt

Starships and vehiclesEdit

USS Enterprise (Constitution-class)

Races and culturesEdit


Technology and weaponsEdit


Materials and substancesEdit


States and organizationsEdit


Ranks and titlesEdit

captaincommandercommanding officercommunications officerFederation Starfleet ranksFederation Starfleet ranks (2260s)first officerlieutenant commanderofficerscientistscience officer

Other referencesEdit

anatomyarmbootclothingFederation membersfingerfive-year missiongovernmenthumanoidlanguagelifeformlogicmattermemorynation-stateorbitpantsquadrantraces and culturesrankspacestarstardateStarfleet uniformStarfleet uniform (2260s)technologytitletunicuniformuniverseweapon



This episode had no stardate, but the ST reference: Mr. Scott's Guide to the Enterprise assigned events from this episode the date of 5978.2.


Video releasesEdit


published order
Previous episode:
Wink of an Eye
TOS episode produced Next episode:
Let That Be Your Last Battlefield
Previous episode:
The Mark of Gideon
TOS episode aired Next episode:
The Lights of Zetar
Previous story:
The Ultimate Computer
Star Trek 9
Next story:
chronological order
Previous Adventure:
The Hunting
Pocket Next Adventure:
Section 31: Cloak
Previous Adventure:
Wink of an Eye
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
Gateways: One Small Step

External linkEdit

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