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Secret Earth: Yellowstone Supervolcano (2015)
0h 43m | TVPG | Science, Documentary, Technology, Special
Watch Secret Earth: Yellowstone Supervolcano full movie.
Cast: Craig Beals
High-school science teacher Craig Beals digs into one of America's biggest mysteries, the Yellowstone super volcano; Craig is on a mission to find out when it erupted last.
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