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28:21
Sophie and team face the challenges of 12,000-ft elevation and a bullet run through middle America.
29:09
Follow the monarch butterfly's incredible 3,000-mile migration to Mexico.
31:52
Sea otters aren't just cute, they're guardians of an entire underwater forest.
25:53
Sophie investigates electric racing motorcycles and stomps invasive bugs as she makes it halfway!
25:22
Sophie finishes her coast-to-coast-to-coast trip, completing her biggest science experiment yet.
24:35
A museum, a university, and a festival remind Sophie that home is where the science is.
31:26
In her drive from New York to Tennessee, Sophie spots ancient mountains in Shenandoah.
25:47
Meet Wanda, the wood turtle who dances to trick worms out of the ground.
3:54
Enjoy a fun and catchy song to celebrate International Sea Otter Week
28:33
Arkansas to Arizona is full of extremes, literally!
29:00
Discover mummified mammoth poop and the Ice Age secrets it holds.
27:16
Discover how bald eagles build giant nests and learn to fly!