The WORST seasons of Adventure Time: Fionna & Cake

Every season of Adventure Time: Fionna & Cake ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of Adventure Time: Fionna & Cake!

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.