"Fionna Campbell" - After a disastrous morning, Fionna can't afford to take Cake to the vet, so she seeks help from an unconventional source.
"Simon Petrikov" - The former Ice King struggles to be a regular human in a magical world and considers taking a drastic action.
"Cake the Cat" - Cake crash lands in a fantastic new world as Fionna searches for her after witnessing something impossible.
"Prismo the Wishmaster" - Fionna, Cake, and Simon converge in a strange place to discover how they're connected.
"Destiny" - Pursued by a powerful enemy, Fionna, Cake, and Simon venture through a lawless world in search of a magical artifact.
"The Winter King" - Fionna and Simon discover their best selves, and a possible solution to all their problems, in a wintery kingdom. Meanwhile, Marshall Lee helps Gary with a baking project.
"The Star" - Cake is recruited by a band of skilled vampire hunters in a lost world. Back in Fionna's world, Gary and Marshall Lee attend a black-tie party.
"Jerry" - Stranded in a desolate land, Fionna, Cake and Simon must resort to desperate measures to escape.
"Casper & Nova" - Simon finds his mind transported across time and space as danger closes in on Fionna and Cake.
"Cheers" - Fionna, Cake, and friends fight for their world while Simon battles his demons.