Season pulse
Episodes
26 episodes
Bonnie and Neddy
The greed of the King of Ooo leads to a crisis in the Candy Kingdom, and (ex-) Princess Bubblegum has to return briefly from exile to deal with it.
Varmints
Bubblegum turns to Marceline's help when something threatens the citizens of her homestead.
Cherry Cream Soda
The arrival of a visitor causes Cherry Cream Soda's life to fall flat.
Mama Said
The loyalty of Finn and Jake comes into question when the King of Ooo orders them to intercept a flying mushroom.
Football
BMO and Football decide upon a deal, but one of them cannot keep up their end of the bargain.
Stakes: Marceline the Vampire Queen (1)
Finn and Jake hunt a shadowy predator and Marceline asks Princess Bubblegum for a favor.
Stakes: Everything Stays (2)
As the sun rises on her last day, Marceline recalls her long extraordinary life.
Stakes: Vamps About (3)
Five foes from Marceline's past come back to cause trouble for the Land of Ooo.
Stakes: The Empress Eyes (4)
When one of her oldest adversaries targets the Ice Kingdom, Marceline rushes to Simon's rescue.
Stakes: May I Come In? (5)
Finn, Jake, Marceline, and PB set out to hunt down the Vamps. But who is hunting them?
Stakes: Take Her Back (6)
While Princess Bubblegum searches for a cure for Marceline, Finn and Jake take on one of the Vamps themselves.
Stakes: Checkmate (7)
On the eve of battle, Marceline's archenemy comes to her with a strange proposal.
Stakes: The Dark Cloud (8)
The final confrontation begins. Who will survive?
The More You Moe, The Moe You Know (1)
On BMO's birthday, Moe comes to visit and give BMO a special birthday mission. But while BMO is away, Moe begins to overstay his welcome at the tree house.
The More You Moe, The Moe You Know (2)
BMO continues its quest to adulthood. It'll discover that something went wrong in the factory where all the MOs where created.
Summer Showers
Viola tries to get a part in LSP's play, but gets made into LSP's personal assistant instead.
Angel Face
BMO convinces his friends to join him in a live action cowboy role-playing game.
President Porpoise Is Missing!
Finn and Jake attempt to track down President Porpoise before Vice President Blowfish takes over.
Blank Eyed Girl
One very spooky night, Finn and Jake come face-to-face with an urban myth.
Bad Jubies
Finn, Jake, LSP and BMO seek shelter as they contend with some deadly weather.
King's Ransom
Ice King suffers a heartbreaking loss and it's up to Finn and Jake to find the culprit.
Scamps
Finn takes a group of at-risk Candy Kingdom youth on a camping trip they’ll never forget.
Crossover
Finn and Jake crossover into Farmworld Finn's dimension.
The Hall of Egress
Trapped and alone, Finn must unravel the riddle of the weird cave with no exit.
Flute Spell
Finn has secret meetings with a powerful wizard.
The Thin Yellow Line
Finn and Jake infiltrate the Banana Guard ranks and stumble upon a conspiracy.