Finn and Jake contend with a mysterious, but familiar, new being.

Finn makes amends at the Candy Hospital while Jake tries to connect with their unexpected houseguest.

Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice.

An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.

When disaster befalls James Baxter, it's up to Finn and Jake to help him pick up the pieces.

Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.

A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past.

Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger.

After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.

Finn and Jake travel to a land where reality has been redesigned and improved.

While exploring some futuristic ruins, Susan sees glimpses of a familiar girl.

An unexpected revelation from Susan leads Finn closer to answers about his past.

Finn and his friends journey to a last refuge called Founders Island.

Finn confronts the power behind Founders Island, but will he ever return home to Ooo?