S1·E9 Dagger of the Mind
Core
Aired November 3, 1966 50 min ★ 6.9/10 · 56 TMDB votes
Synopsis
When a wild eyed maniac escaping from the Tantalus Penal Colony turns out to be one of the psychiatric staff, Kirk investigates the institution and discovers a chilling exercise in mind control.
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Director & writers
Vincent McEveetyDirectorShimon WincelbergWriter
Guest stars
Frequently Asked Questions
When did Season 1 Episode 9 of Star Trek air?
Season 1, Episode 9 ('Dagger of the Mind') originally aired on November 3, 1966.
How long is Season 1 Episode 9 ('Dagger of the Mind')?
The runtime for this episode is approximately 50 minutes.
What happens in Star Trek Season 1 Episode 9?
When a wild eyed maniac escaping from the Tantalus Penal Colony turns out to be one of the psychiatric staff, Kirk investigates the institution and discovers a chilling exercise in mind control....