The Ice King and Marceline bond over song and memories.

The Snow Golem visits the Fire Kingdom and finds an unlikely follower.

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?

After saving Finn the human during a battle between the candy kingdom and the fire kingdom it is discovered that LSP is made of anti-elemental magic and restores Ooo to it's former state.

Finn's headstrong decision to explore a dungeon in defiance of Jake's warnings leads to a dangerous escapade.

In this gender-swapped episode, Fionna and Cake must battle the evil Ice Queen.

Princess Bubblegum may be jealous when Finn start hanging out with Flame Princess.

A visit from the Lich King sheds light on Ooo's secrets.

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!

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

A long lost artifact causes Princess Bubblegum to harken back to the creation of the Candy Kingdom.

Stuck inside the treehouse due to a knife storm, Finn and Jake use their imagination to pass the time.

Finn and his friends must come together as a genuine band in order to open the gate of the Door Lord and get back their taken items.

Finn receives a bag full of miniature versions of his friends.

A look at what Ice King and Marceline were like 996 years ago.

Jake wants to fulfill a bizarre lifelong ambition.

In the distant future, many years after the outcome of the Gum War, two friends named Beth and Shermy recover a rusty old mechanical arm that once belonged to Finn after it is dropped by a Prize Ball Guardian.

Finn and Jake are called to solve a Candy Kingdom hostage crisis when a rogue cookie takes over.

Trapped and alone, Finn must unravel the riddle of the weird cave with no exit.

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

Finn and Jake get sucked into one of BMO's games and they have to defeat all three of his bosses.

The Earl of Lemongrab takes over the Candy Kingdom due to Princess Bubblegum's age regression, forcing her and Finn to try and get rid of him even if it means a life-altering decision.

Finn and Jake play Card Quest, an epic game.

While dwelling on a joke he told to Flame Princess, Finn finds himself trapped in a strange pillow world.

Root Beer Guy works a boring job during the day and tries to write mystery stories at night. But his life is about to change when he witnesses Finn and Jake kidnapping Princess Bubblegum! There's only one problem: no one believes Root Beer Guy...