Los sueños de Finn, Jake y BMO caen bajo la influencia de un misterioso orbe.

Finn, Jake, and BMO return from their voyage to a radically changed Ooo.

The friends learn the story of what happened to Ooo, while Betty continues her attempt to reach Simon, but she's interrupted by someone out to steal her magic.

Finn, Jake and Ice King break into the Ice World to confront the power-hungry evildoer responsible for the chaos in Ooo and try to rescue Betty.

After taking a nap, Finn and Jake get separated from Betty and the Ice King. They need to get back and Jake needs to go pee.

In order to save Ooo, Finn and Jake must gather the four elemental gems. They go to the Slime Kingdom and have to gather Slime Princess's gem.

After gathering the Slime jewel, Finn and LSP go to the Fire Kingdom, to gather the Flame Jewel. Everything has turned even hotter than before.

After going to the Fire Kingdom, Finn becomes taken over by fire. LSP has to save him before he destroys the candy kingdom.

After saving Finn the human during a battle between the candy kingdom and the fire kingdom it is discovered that LSP is made of anti-elemental magic and restores Ooo to it's former state.

Debido a que Jake pasa por algunos cambios personales, es perseguido por un encuentro de sueños siniestros con su hermano Jermaine

BMO y Marceline intercambian historias sobre sus recientes aventuras

Un crítico inesperado aparece en la última lectura de libros de Fionna y Cake del Rey Helado

Mientras protege a Sweet P, Finn es llevado a una confrontación con un viejo enemigo

La visita despreocupada de Finn y Fern a unas antiguas ruinas se torna desastrosa.