With David sick in bed, Jane must partner with an unexpected ally to save Greybeard from a pride of lions.

The three friends use their underground vessel to observe the elusive pink fairy armadillo, but a garden problem stops them in their tracks.

While exploring the Great Barrier Reef to determine if coral is a plant or an animal, the trio learn that looks can be deceiving.

The three friends travel deep into the ocean to figure out why the blue whale sings, and Jane confronts a litterbug with a gifted voice.

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

Tracking a wolf in the snowy mountains leads the trio to their neighbor's pug, who helps connect the dots between wolves, dogs, and people.

Jane, David, and Greybeard monitor a black rhino and a red-billed oxpecker, whose relationship teaches them the value of teamwork.

Jane, David, and Greybeard set off to find out why hippos give birth away from their pods, while trying to reunite a baby hippo with her mom.

The trio head underground to dig into wombat defense tactics. Jane wants the community BBQ menu to explore new options.

David joins Jane on a high-flying mission to chart an albatross' journey instead of helping his sister Millie.

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

Chasing a herd of caribou stirs up David's appetite. At lunch, David's grandpa tells a story about respect, responsibility, and sharing.