Episode Information
About this episode
That Which Survives is season 3, episode 14 of Star Trek: The Original Series, first aired on 24 January 1969.
In series order, the previous episode is S03E13 — Wink of an Eye and the next is S03E15 — Let That Be Your Last Battlefield. By original air date, the previous episode is S03E17 — The Mark of Gideon and the next is S03E18 — The Lights of Zetar.
Browse every episode in Season 3.
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