What Was Earth Like Before Humans?
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00:00 Countdown
00:05 The Great Filter: Humanity’s Final Exam
00:30 What Was Earth Like 2 Billion Years Ago?
01:42:02 Marathon: What Was Prehistoric Earth Like?
02:33:39 Marathon: What If Prehistoric Animals Were Alive Today?
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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
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