Searching for answers on Mars, Finn and Jermaine discover that they must first survive a cunning Martian mental trap.

Aired on 03/18/2018

Adventure Time • S10E11
Jeremy Shada Jeremy ShadaFinn the Human (voice)
John DiMaggio John DiMaggioJake the Dog (voice)
Tom Kenny Tom KennyIce King (voice)
Olivia Olson Olivia OlsonMarceline the Vampire Queen (voice)
Dee Bradley Baker Dee Bradley BakerCinnamon Bun (voice)
Hynden Walch Hynden WalchPrincess Bubblegum (voice)
Pendleton Ward Pendleton WardLumpy Space Princess (voice)
Niki YangBMO / Lady Rainicorn
Steve Little Steve LittlePeppermint Butler
Polly Lou Livingston Polly Lou LivingstonTree Trunks
Jessica DiCicco Jessica DiCiccoFlame Princess
Maria Bamford Maria BamfordSlime Princess / Additional Voices
Niki YangBMO