"Plato's Stepchildren" was the 67th episode of Star Trek: The Original Series, the 12th episode of the show's third and final season, first aired on 22 November 1969. The episode was written by Meyer Dolinsky, directed by David Alexander and novelized in Star Trek 11 by James Blish.



Episode charactersEdit

Alexander of PlatoniusChristine ChapelDionydEraclitusBill HadleyJames T. KirkLeonard McCoyParmenPhilanaMontgomery ScottSpockNyota Uhura

Novelization charactersEdit

Alexander of PlatoniusChristine ChapelEraclitusJames T. KirkLeonard McCoyParmenPhilanaMontgomery ScottSpockNyota Uhura

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


Related storiesEdit

The story line is an adaptation of the 1952 science-fiction short story Telek by Jack Vance.



published order
Previous episode:
Day of the Dove
TOS episode produced Next episode:
Wink of an Eye
Previous episode:
The Tholian Web
TOS episode aired Next episode:
Wink of an Eye
Previous story:
Day of the Dove
Star Trek 11
Next story:
last story
chronological order
Previous Adventure:
Klingons: Blood Will Tell
Blood Reign O'er Me
Memory Beta Chronology Next Adventure:
First Frontier
Prologue, Chapters 1-22, 39, 40 & Epilogue
Previous Adventure:
Day of the Dove
Pocket Next Adventure:
First Frontier
Previous Adventure:
The Badlands, Part I
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
Wink of an Eye

External linkEdit

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