Adventure Time: Fionna & Cake

Adventure Time: Fionna & Cake is an American animation series which aired on HBO Max. The series premiered on August 31, 2023.

Fionna and Cake – with the help of the former Ice King, Simon Petrikov - embark on a multiverse-hopping adventure and journey of self-discovery. All the while a powerful new antagonist determined to track them down and erase them from existence, lurks in the shadows.