When did Horizon Season 33 Episode 13 air?
Horizon Season 33 Episode 13 aired on November 11, 1996.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
An investigation into claims that life once existed on Mars. NASA scientists and their critics discuss the fossils discovered in a small meteoric rock in Antarctica earlier in 1996.
Direct answers for episode-level questions and details.
Horizon Season 33 Episode 13 aired on November 11, 1996.
This episode runs for approximately 60 minutes.
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