Sneak Peek of the Day: On September 5th, a gender-swapped episode of Pen Ward’s Adventure Time is set to air on Cartoon Network, with Madeleine Martin as Fionna the Human, Roz Ryan as Cake the Cat, Neil Patrick Harris as Prince Gumball, and Grey DeLisle as Ice Queen.
The characters were created for the show by series designer Natasha Allegri (who also sang the theme song); the episode itself was written and storyboarded by Adam Muto and Rebecca Sugar.
