Season 4

26 episodes · 2012

Finn develops a crush on Flame Princess and tries to get to know her, which proves difficult due to her destructive power.

Follow as 5 stories intertwine together, can you find the connection?

When Finn gets trapped in a giant spider web, he ends up playing marriage counselor to a couple of grumpy arachnids.

Tree Trunks is courted by an oinking suitor, but much to Jake’s dismay, this interferes with her baking habits.

Marceline’s dad banishes Finn and Jake to the Nightosphere, and it stinks. Literally.

Finn and Jake attempt to rescue Marceline and find out what's making her behave so strangely.

A bear cozies up to the guys, but his true intentions may be hidden.

Finn goes through a transformation after a run-in with a hug wolf.

Princesses lose body parts under mysterious circumstances.

Battling with her new realization of her own mortality, in a sleep deprived state Princess bubblegum creates her own heir to the throne. After meeting the heir, Finn and Jake decide to teach her the ways of the world.

When Finn finds a porcelain lamb, it transports him into the spirit world and only the Ice King can help get him out.

In order to do research for her tell-all memoir about men, Lumpy Space Princess goes undercover working for Finn and Jake.

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

Finn and Jake play Card Quest, an epic game.

Magic man has most of his power taken from him by his brother, in a fit of desperation, he swaps the way Jake and Himself look. Magic Mans brother takes Jake to Mars for punishment,

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

BMO tries to find Finn's sock.

Finn has a vivid dream that may be more than it seems.

Princess Bubblegum and Lady Rainicorn look for Finn and Jake, who are missing after a run-in with the Ice King.

When a creepy sleep-peeping Lemongrab upsets Princess Bubblegum with his creepy ways, Finn and Jake need to tend to some issues in the Outer Realm.

The guys challenge a monster to a fight but end up battling each other.

Finn and Jake sneak into the Fire Kingdom to retrieve Fire Princess' scented candles and overhear a plot to assassinate the king.

Frog People seek protection from an evil lizard who's attacking their swamp.

The Gunters cause chaos in Ooo.

The Ice King and Marceline bond over song and memories.

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