
Fionna and Cake – with the help of the former Ice King, Simon Petrikov - embark on a multiverse-hopping adventure and journey of self-discovery. All the while a powerful new antagonist determined to track them down and erase them from existence, lurks in the shadows.




After a disastrous morning, Fionna can't afford to take Cake to the vet, so she seeks help from an unconventional source.
Simon struggles to be a regular human in a magical world and considers taking desperate measures.
After crash-landing in a fantastic new world, Cake takes on Ooo, while a desperate Fionna continues her search. Later, Simon opens the portal one last time.
While learning more about their connection from Prismo, Fionna, Cake and Simon become the target of a dangerous new enemy.
Pursued by a powerful enemy, Fionna, Cake, and Simon venture through a lawless world in search of a magical artifact.
Fionna and Simon discover their best selves, and a possible solution to all their problems, in a wintery kingdom. Marshall Lee helps Gary with a baking project.
Cake is recruited by a band of skilled vampire hunters. Gary and Marshall Lee attend a black-tie party.
Stranded in a desolate land, Fionna, Cake, and Simon are stranded and resort to desperate measures to escape.
Simon finds his mind transported across time and space while danger closes in on Fionna and Cake.
Fionna, Cake, and friends fight for their world. Simon battles his demons.
After saving their world from Scarab, Fionna and Cake attempt to find a place for themselves in it while helping their friends make a home out of an abandoned lot. Back in Ooo, Huntress Wizard makes a shocking discovery -- and turns to Simon for help.
While Fionna, Cake, and their friends strategize different ways to take back their lot from Queenie, Huntress Wizard travels to the Heart of the Forest and contends with a secret order of Wizards.
Given just a week to save the lot, Fionna puts together a fundraiser and revisits an old flame. As a nervous Cake goes on a first date, Huntress Wizard struggles in a magic-free world. Back in Ooo, PB and Marceline face down a hoard of eager Princesses.
A heartbroken Fionna takes a walk down memory lane, while Cake explores a career in television. Later, Huntress Wizard searches for a way home.
After several setbacks, Fionna's quest to save the lot takes a costly turn, while Huntress and Cake begrudgingly join forces to explore an enigmatic vision of the future.
While Fionna's latest bid to save the lot throws Marshall for a loop, Huntress Wizard chases the Cosmic Owl. Later, Fionna and Huntress attempt to save Finn from an impending Croak Dream.
When DJ Flame goes missing, Fionna turns to magic -- and an unlikely ally -- for help with the search. As Huntress attempts to navigate the Heart of the Forest alone, Marshall learns a critical truth about his mother.
After Fionna and Huntress are captured, Cake tries to pull off Boys Night and save the lot on her own. Meanwhile, PB, Simon, and Marcie venture into the forest.
After plunging into the unknown, Huntress faces off with an old foe, Fionna contends with painful memories, and Cake confronts her inner truth with help from the Karmic Worm.
As time runs out for a wounded hero, PB turns to science for solutions, while Huntress fights to make her way back to Ooo to stop her. Later, Fionna seeks to undo a disastrous decision.