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

Part 3 of a three-part episode. Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.

Part 2 of a three-part episode. Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.

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

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

Jake's a daddy, but being a father and keeping his rainicorn pups from killing themselves or each other is a lot harder than he imagined.

Ice King, NEPTR, Tree Trunks, Shelby, and Lemongrab are trapped inside a mysterious dungeon and must work together to free themselves.

The princesses tire of Ice King’s crazy Fionna-and-Cake fan-fiction stories, so Marceline stops by the Ice Kingdom to show him how to properly write a story.

BMO makes his way home after being snatched by an eagle. On its way, BMO meets Bubble and a baby, and the three decide to journey home together.

Princess Bubblegum sends Finn and Jake to investigate a message of distress from the Earls of Lemongrab.

Finn and Jake make a bet to see who can not talk the longest, and the two use signs to communicate.

When Flame Princess begins to doubt her evilness, Finn insists she is not evil and takes her on a journey into a dungeon to help her sort out her thoughts.

The Ice King creates a computer virus that will delete everyone in Ooo except for him and Princess Bubblegum. Finn and Jake hack into the universal source code to destroy the virus.

Jake Jr. gets involved with a group of troublemakers, and Jake is forced to reunite his old gang—which includes Tiffany who first appeared in the first season episode "My Two Favorite People"—to rescue his daughter.

The guys' game of catch goes awry when their throwing disc is lodged in a large tree.

Finn and Jake stumble across a horse named James Baxter who has the ability to make sad people feel better.

After another one of his schemes fails, the Ice King decides to give up.

Finn creates an alter ego, Davey. Davey soon begins to take over, and Jake is forced into action to get his old friend back.

Xergiok, the former Goblin king who was deposed by Finn and Jake claims to have turned over a new leaf.

Peppermint Butler thinks that Bubblegum is working too hard in her lab, so he tries to get her a suitor.

A series of short stories with a common theme, hosted by a mysterious man named Cuber from the future. In this entry, Finn and Jake build a time machine. Meanwhile, Princess Bubblegum helps Cinnamon Bun overcome his fear of the dark.

Lumpy Space Princess is robbed, but before she is able to explain the details to Finn and Jake, she faints.

A series of short stories all centered around a common theme, hosted by a mysterious man named Cuber from the future.

Ice King gets super jealous when he finds out that he wasn't invited to the Princess Potluck.

Finn's hat comes to life and becomes evil after it is touched by a wizard. Finn, Jake, and the wizard track the hat down, and manage to turn the hat good.