Episode charactersEdit

BardoliChristine ChapelPavel ChekovDikironium cloud creatureStephen GarrovickBill HadleyJames T. KirkRyan LeslieLeonard McCoyRizzoMontgomery ScottSpockHikaru SuluSwensenNyota UhuraVinci (?)

Novelization charactersEdit

BardoliChristine ChapelDikironium cloud creatureDavid GarrovickJames T. KirkLeonard McCoyRizzoMontgomery ScottSpockSwensenNyota Uhura

Starships and vehiclesEdit

USS Enterprise (Constitution-class heavy cruiser)


Argus XTycho IV

Races and culturesEdit

HumanVulcanDikironium cloud creature

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



According to actor Eddie Paskey, Lieutenant Leslie was revived "miraculously", in a deleted scene, which explains why he's seen again in future episodes, alive and well.[citation needed]


Video releasesEdit


published order
Previous episode:
The Gamesters of Triskelion
TOS episode produced Next episode:
The Immunity Syndrome
Previous episode:
The Deadly Years
TOS episode aired Next episode:
Wolf in the Fold
Previous story:
That Which Survives
Star Trek 9
Next story:
The Return of the Archons
chronological order
Previous Adventure:
Beneath the Skin
pages 20-21
Memory Beta Chronology Next Adventure:
Treaty's Law
chapters 1-24
Previous Adventure:
The Gamesters of Triskelion
Pocket Next Adventure:
Treaty's Law
chapters 1-24
Previous Adventure:
The Gamesters of Triskelion
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
The Patrian Transgression

External linkEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.