All episodes — Season 4
S4 E1Hot to the Touch
Apr 2, 20127.611 min
Finn develops a crush on Flame Princess and tries to get to know her, which proves difficult due to her destructive power.
S4 E2Five Short Graybles
Apr 9, 20127.311 min
Follow as 5 stories intertwine together, can you find the connection?
S4 E3Web Weirdos
Apr 16, 20126.410 min
When Finn gets trapped in a giant spider web, he ends up playing marriage counselor to a couple of grumpy arachnids.
S4 E4Dream of Love
Apr 23, 20124.610 min
Tree Trunks is courted by an oinking suitor, but much to Jake’s dismay, this interferes with her baking habits.
S4 E5Return to the Nightosphere
Apr 30, 20127.411 min
Marceline’s dad banishes Finn and Jake to the Nightosphere, and it stinks. Literally.
S4 E6Daddy's Little Monster
Apr 30, 20127.111 min
Finn and Jake attempt to rescue Marceline and find out what's making her behave so strangely.
S4 E7In Your Footsteps
May 7, 20126.311 min
A bear cozies up to the guys, but his true intentions may be hidden.
S4 E8Hug Wolf
May 14, 20126.911 min
Finn goes through a transformation after a run-in with a hug wolf.
S4 E9Princess Monster Wife
May 28, 20126.811 min
Princesses lose body parts under mysterious circumstances.
S4 E10Goliad
Jun 4, 20127.210 min
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.
S4 E11Beyond This Earthly Realm
Jun 11, 20127.111 min
When Finn finds a porcelain lamb, it transports him into the spirit world and only the Ice King can help get him out.
S4 E12Gotcha!
Jun 18, 20126.511 min
In order to do research for her tell-all memoir about men, Lumpy Space Princess goes undercover working for Finn and Jake.
S4 E13Princess Cookie
Jun 25, 20127.811 min
Finn and Jake are called to solve a Candy Kingdom hostage crisis when a rogue cookie takes over.
S4 E14Card Wars
Jul 16, 20127.611 min
Finn and Jake play Card Quest, an epic game.
S4 E15Sons of Mars
Jul 23, 20127.411 min
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,
S4 E16Burning Low
Jul 30, 20128.211 min
Princess Bubblegum may be jealous when Finn start hanging out with Flame Princess.
S4 E17BMO Noire
Aug 6, 20127.511 min
BMO tries to find Finn's sock.
S4 E18King Worm
Aug 13, 20127.411 min
Finn has a vivid dream that may be more than it seems.
S4 E19Lady & Peebles
Aug 20, 20127.111 min
Princess Bubblegum and Lady Rainicorn look for Finn and Jake, who are missing after a run-in with the Ice King.
S4 E20You Made Me!
Aug 27, 20127.311 min
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.
S4 E21Who Would Win?
Sep 3, 20126.211 min
The guys challenge a monster to a fight but end up battling each other.
S4 E22Ignition Point
Sep 17, 2012711 min
Finn and Jake sneak into the Fire Kingdom to retrieve Fire Princess' scented candles and overhear a plot to assassinate the king.
S4 E23The Hard Easy
Oct 1, 20126.411 min
Frog People seek protection from an evil lizard who's attacking their swamp.
S4 E24Reign of Gunters
Oct 8, 20126.811 min
The Gunters cause chaos in Ooo.
S4 E25I Remember You
Oct 15, 2012911 min
The Ice King and Marceline bond over song and memories.
S4 E26The Lich
Oct 22, 20128.111 min
A visit from the Lich King sheds light on Ooo's secrets.