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.
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All episodes — Season 9
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S9 E1Orb
Apr 21, 20177.111 min
During the journey home from their sea-faring adventure; Finn, Jake, and BMO encounter a mysterious force that enters their dreams.
S9 E2Elements: Skyhooks (1)
Apr 24, 20177.711 min
Finn, Jake, and BMO return from their voyage to a radically changed Ooo.
S9 E3Elements: Bespoken For (2)
Apr 24, 20177.811 min
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.
S9 E4Elements: Winter Light (3)
Apr 25, 20177.811 min
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.
S9 E5Elements: Cloudy (4)
Apr 25, 20177.111 min
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.
S9 E7Elements: Happy Warrior (6)
Apr 26, 20177.211 min
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.