SDCC 2013: Fionna And Cake's Adam Muto & Ryann Shannon On The Adventure Time Multiverse

Adventure Time: Fionna and Cake showrunner Adam Muto and supervising director Ryann Shannon discuss creating a more mature franchise multiverse. Adventure Time: Fionna and Cake premieres August 31 on Max. Learn more here: https://screenrant.com   / screenrant     / screenrant     / screenrant