Main story arcs for this season include Bubblegum adjusting to life in exile and eventually reclaiming the Candy Kingdom crown, and Marceline coming to terms with her vampiric nature.
Bonnie e NeddyThe 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.
Pestes
E2
PestesBubblegum turns to Marceline's help when something threatens the citizens of her homestead.
Gasosa de cereja
E3
Gasosa de cerejaThe arrival of a visitor causes Cherry Cream Soda's life to fall flat.
A mamã disse
E4
A mamã disseThe loyalty of Finn and Jake comes into question when the King of Ooo orders them to intercept a flying mushroom.
Futebol
E5
FutebolBMO and Football decide upon a deal, but one of them cannot keep up their end of the bargain.
Marceline, a rainha dos vampiros
E6
Marceline, a rainha dos vampirosFinn and Jake hunt a shadowy predator and Marceline asks Princess Bubblegum for a favor.
Tudo fica
E7
Tudo ficaAs the sun rises on her last day, Marceline recalls her long extraordinary life.
Vampiros à solta
E8
Vampiros à soltaFive foes from Marceline's past come back to cause trouble for the Land of Ooo.
Os olhos da imperatriz
E9
Os olhos da imperatrizWhen one of her oldest adversaries targets the Ice Kingdom, Marceline rushes to Simon's rescue.
Posso entrar
E10
Posso entrarFinn, Jake, Marceline, and PB set out to hunt down the Vamps. But who is hunting them?
Levá-la de volta
E11
Levá-la de voltaWhile Princess Bubblegum searches for a cure for Marceline, Finn and Jake take on one of the Vamps themselves.
Xeque-mate
E12
Xeque-mateOn the eve of battle, Marceline's archenemy comes to her with a strange proposal.
A nuvem negra
E13
A nuvem negraFollowing the release of the Vampire King's Vampuric essence, Finn, Jake, and Princess Bubblegum are forced into a fight against the seemingly unstoppable force without the aid of a depressed Marceline.
O regresso de Moe: Parte 1
E14
O regresso de Moe: Parte 1On 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.
O regresso de Moe: Parte 2
E15
O regresso de Moe: Parte 2BMO continues its quest to adulthood. It'll discover that something went wrong in the factory where all the MOs where created.
Chuva de verão
E16
Chuva de verãoViola tries to get a part in LSP's play, but gets made into LSP's personal assistant instead.
Cara de anjo
E17
Cara de anjoBMO convinces his friends to join him in a live action cowboy role-playing game.
O presidente golfinho desapareceu
E18
O presidente golfinho desapareceuFinn and Jake attempt to track down President Porpoise before Vice President Blowfish takes over.
Rapariga de olhos vazios
E19
Rapariga de olhos vaziosOne very spooky night, Finn and Jake come face-to-face with an urban myth.
Más ondas
E20
Más ondasFinn, Jake, LSP and BMO seek shelter as they contend with some deadly weather.
O resgate do rei
E21
O resgate do reiIce King suffers a heartbreaking loss and it's up to Finn and Jake to find the culprit.
Trapaceiros
E22
TrapaceirosFinn takes a group of at-risk Candy Kingdom youth on a camping trip they’ll never forget.
Passagem
E23
PassagemFinn and Jake crossover into Farmworld Finn's dimension.
Salão de egresso
E24
Salão de egressoTrapped and alone, Finn must unravel the riddle of the weird cave with no exit.
Feitiço musical
E25
Feitiço musicalFinn has secret meetings with a powerful wizard.
A fina linha amarela
E26
A fina linha amarelaFinn and Jake infiltrate the Banana Guard ranks and stumble upon a conspiracy.
