Episode Information
About this episode
Spock's Brain is season 3, episode 6 of Star Trek: The Original Series, first aired on 20 September 1968.
In series order, the previous episode is S03E05 — And the Children Shall Lead and the next is S03E07 — Is There in Truth No Beauty?. By original air date, the previous episode is S02E26 — Assignment: Earth and the next is S03E04 — The Enterprise Incident.
Browse every episode in Season 3.
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