Nick and Marta are both suspicious when their biology teacher, the feared Mrs. Bunny Starch, disappears, and try to uncover the truth despite the police and headmaster's insistence that nothing is wrong.

After a fire kills her parents, eleven-year-old Martine must leave England to live with her grandmother on a wildlife game reserve in South Africa, where she befriends a mythical white giraffe.

"There are no polar bears left on Bear Island. At least, that's what April's father tells her when his scientific research takes them to a faraway Arctic outpost for six months. But one night, April catches a glimpse of something distinctly bear shaped loping across the horizon. A polar bear who shouldn't be there--who is hungry, lonely, and a long way from home. As their unlikely bond grows, April is determined to save her new friend--and so begins...

Creature teachers Chris and Martin Kratt will take families along on extraordinary animal-powered adventures. The show transforms the Kratt Brothers into animated versions of themselves, allowing the real-life zoologists to visit wild animals in their little-seen habitats and showcase key science concepts.