Episode Information
About this episode
The Lights of Zetar is season 3, episode 18 of Star Trek: The Original Series, first aired on 31 January 1969.
In series order, the previous episode is S03E17 — The Mark of Gideon and the next is S03E19 — The Cloud Minders. By original air date, the previous episode is S03E14 — That Which Survives and the next is S03E21 — Requiem for Methuselah.
Browse every episode in Season 3.
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