Jane, David, and Greybeard track a polar bear in the Arctic Circle, inspiring Jane to convince her neighbor Mr. Jin to see trash differently.

While trying to tag a great white shark, Jane urges David's dad and Tata to rethink how they shop for groceries.

David shrinks Jane and Greybeard to honeybee size to explore a hive. But when a schoolmate threatens the bees, Jane swoops in.