Adventure Time: Season 9

2017 · 14 episodes · ★ 7.3

What Season 9 of Adventure Time

The season kicks off when a mysterious orb traps the dreams of Finn, Jake and BMO. Returning from their trip, the three find the Land of Ooo radically changed. To restore balance, they must gather the four elemental gems. The search leads them to the Ice World, where Finn, Jake and the Ice King face a villain hungry for power, and then to the Slime Kingdom, in search of the Slime Princess's gem. Meanwhile, Betty tries to contact Simon and ends up in trouble. Finn and Jake take the lead, but every step of the plan gets more complicated.

14episodes

Apr 21, 2017premiered

Jul 21, 2017latest episode

2.6 hrtotal runtime

Season 9 Episodes

9x01 Orb
Apr 21, 2017 · 11 min · ★ 7.1
During the journey home from their sea-faring adventure; Finn, Jake, and BMO encounter a mysterious force that enters their dreams.
9x02 Elements: Skyhooks (1)
Apr 24, 2017 · 11 min · ★ 7.7
Finn, Jake, and BMO return from their voyage to a radically changed Ooo.
Starring: Justin Roiland
9x03 Elements: Bespoken For (2)
Apr 24, 2017 · 11 min · ★ 7.8
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.
9x04 Elements: Winter Light (3)
Apr 25, 2017 · 11 min · ★ 7.8
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.
Starring: Lauren Lapkus
9x05 Elements: Cloudy (4)
Apr 25, 2017 · 11 min · ★ 7.1
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.
9x06 Elements: Slime Central (5)
Apr 26, 2017 · 11 min · ★ 7.2
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.
Starring: Andy Samberg, John Hodgman
9x07 Elements: Happy Warrior (6)
Apr 26, 2017 · 11 min · ★ 7.2
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.
9x08 Elements: Hero Heart (7)
Apr 27, 2017 · 11 min · ★ 7.6
After going to the Fire Kingdom, Finn becomes taken over by fire. LSP has to save him before he destroys the candy kingdom.
With: Isabella Acres, Justin Roiland
9x09 Elements: Skyhooks II (8) Mid-Season Finale
Apr 27, 2017 · 11 min · ★ 7.9
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.
9x10 Abstract
Jul 17, 2017 · 11 min · ★ 7.1
Jake struggles through the personal changes happening to him as a mysterious encounter in a dream with his brother Jermaine begins to haunt him.
9x11 Ketchup
Jul 18, 2017 · 11 min · ★ 6.7
BMO and Marceline play catch up on recent events.
Directing: Elizabeth Ito · Writing: Seo Kim, Somvilay Xayaphone · Starring: J.G. Quintel
9x12 Fionna and Cake and Fionna
Jul 19, 2017 · 11 min · ★ 5.9
While performing a reading of 'Fiona and Cake', Ice King is confronted by a familiar figure.
Starring: Chelsea Peretti
9x13 Whispers
Jul 20, 2017 · 11 min · ★ 7.7
While safeguarding a frightened Sweet P, Finn is led into a confrontation with an old foe.
Starring: Zach King
9x14 Three Buckets Season Finale
Jul 21, 2017 · 11 min · ★ 7.7
Finn and Fern's carefree visit to some old ruins turns disastrous.