Season 4

April 23, 2012

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

April 30, 2012

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

April 30, 2012

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

May 7, 2012

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

May 14, 2012

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

May 28, 2012

Princesses lose body parts under mysterious circumstances.

June 4, 2012

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.

June 11, 2012

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

June 18, 2012

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

June 25, 2012

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

July 16, 2012

Finn and Jake play Card Quest, an epic game.

July 23, 2012

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,

July 30, 2012

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

August 6, 2012

BMO tries to find Finn's sock.

August 13, 2012

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

August 20, 2012

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

August 27, 2012

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.

September 3, 2012

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

September 17, 2012

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

October 1, 2012

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

October 8, 2012

The Gunters cause chaos in Ooo.

October 15, 2012

The Ice King and Marceline bond over song and memories.

October 22, 2012

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