Finn and Jake follow the Lich to the Citadel, where Finn meets his long lost dad. But just how far does the apple fall from the tree?

In order to find Finn's father, Finn and Jake must commit a cosmic crime...unless the Lich beats them to it.

Following an ally's memorial service, Jake begins acting strangely.

Finn, Jake and Orgalorg converge with the comet and meet their destiny.

In a distant age, the wizard Evergreen quests to save the world.

Finn's spirit is drawn into the astral plane by the power of the mysterious comet.

Jake wants to fulfill a bizarre lifelong ambition.

After a walrus race accident, Gunther starts to experience strange visions.

Finn doesn't like any of the new arms the princesses give him, so he builds a tower into space to find his dad and get his old arm back. But are his hopes up a little too high?

Finn and Jake's parents hunt an unearthly menace in the woods.

Finn and Jake storm Magic Man's house to rescue his new apprentice.

Marooned on an alien world, Cuber must rely on his bag of Graybles to survive.

A charismatic stranger in Finn's dream leads Cosmic Owl to shirk his duties.

It's election day in the Candy Kingdom but Princess Bubblegum's attention is diverted by a mysterious presence in the sky.

Princess Bubblegum must rally her forces when the Candy Kingdom is rocked by a massive assault.

Jake finds himself trapped in a world made of himself.

A Candy Kingdom slumber party devolves into panic when Finn and Princess Bubblegum vanish.

After a chilling dream encounter, Finn & Jake are determined to reconnect with their reclusive brother.

On a field trip to the Candy Kingdom Museum of Natural History, Finn and Jake learn about the food chain by becoming the food chain!

Shelby the worm discovers that he has a little brother who is bound for adventure in the nooks of Marceline's tree house.

Tree Trunks and Mr. Pig's child, Sweet P, runs into trouble on his first day of school.

When the Fire Kingdom is struck by a natural disaster, Flame Princess turns to an unlikely ally.

Finn meets a friendly civilization and a sees a mysterious crash site in a vision.

When Finn and Jake stumble into two different holes, they meet two different fates.

Fed up with Jake's antics, his son Kim Kil Whan takes action.