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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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