Extras
Join Elmo and the Sesame Street gang on a once-in-a-lifetime African safari adventure.
Kids discover coral reefs on this Wild Critters episode with the Smithsonian.
Sophie finishes her coast-to-coast-to-coast trip, completing her biggest science experiment yet.
Follow the monarch butterfly's incredible 3,000-mile migration to Mexico.
Arkansas to Arizona is full of extremes, literally!
Meet Wanda, the wood turtle who dances to trick worms out of the ground.
A museum, a university, and a festival remind Sophie that home is where the science is.
Discover how bald eagles build giant nests and learn to fly!
Sophie investigates electric racing motorcycles and stomps invasive bugs as she makes it halfway!