Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 3 · Episode 21 ·
Sex-Change?
Doctors and psychologists talk about the problems inherent in the determination of sex.
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Episode 21 of season 3 of Horizon: “Sex-Change?”. Aired 1966-11-21. Watch it online free on ZapFlix.