When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to help him.

Finn unearths a treasure with a terrible price at the top of Dead Mountain.

Finn and Jake follow their Sea Lard into the pond in front of their home, and in doing so, are led to a strange new world.

Jake's son finds a hidden box and draws attention from a Rainicorn.

When Finn begins having nightmares about his missing Finn Sword, he wonders if they are real.

Finn brings a special delivery for Cinnamon Bun to the Fire Kingdom but it may come with a dangerous cost.

Normal Man asks for Finn and Jake's help to rescue his brother.

Ice King digs up an item buried underneath the Ice Kingdom.

Fionna and Cake go on a cooking adventure to push Cake's art to an all-new level.

Finn hears a mysterious song while judging a Battle of the Bands.

Jake and his daughter Charlie fight to restore Jake's honor and win a super-secret underground Card Wars tourney.

While searching for old human artifacts, Jake, Finn, and Susan Strong meet Tiffany, who is employed by a mysterious Doctor Gross.

After Susan Strong's chip is activated, she goes rogue and attacks Finn.

Finn and Jake puzzle over the nature of a mysterious newcomer.

Doctor Princess thrusts a great responsibility upon Finn. Jake goes adventuring with a new friend.

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.

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?