Episode Information
About this episode
Operation -- Annihilate! is the season 1 finale of Star Trek: The Original Series, first aired on 13 April 1967.
In series order, the previous episode is S01E28 — The City on the Edge of Forever and the next is S02E01 — Catspaw. By original air date, the previous episode is S01E28 — The City on the Edge of Forever and the next is S02E05 — Amok Time.
Browse every episode in Season 1.
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