Adventure Time: Fionna and Cake Episode 3 Cake the Cat Episode Title: Cake the Cat Episode Description: Fionna witnesses Cake's disappearance, desperately trying to find her. Cake flees from Simon's house and explores in the Land of Ooo, but soon, she gets into trouble after causing mayhem in a market. As Simon resumes the magic ritual, he creates a portal again, allowing Fionna to pass through, who reunites with Cake with the help from Astrid. But soon, in front of Astrid, Fionna and Cake are teleported away.