Where to watch Adventure Time: Fionna and Cake

Streaming, rental & purchase options in the US — plus where Adventure Time: Fionna and Cake fits across media.

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.