Fionna and Cake

"Adventure Time with Fionna and Cake" is the sixth episode of season three of Adventure Time.

Synopsis
In this gender-swapped episode, Fionna and Cake must battle the evil Ice Queen.

A sneak peek of the episode can be viewed at Cartoon Network's Big Fan Weekend preview page.

Characters

 * Fionna
 * Cake
 * Prince GumballFionna_the_Human.png
 * Ice QueenCak.png
 * Lord Monochromicorn
 * Marshall Lee
 * Snail (possibly)
 * Lumpy Space Prince
 * Jelly Canders

Trivia

 * It has been confirmed that Fionna will be voiced by Madeliene Martin, Cake by Roz Ryan, Prince Gumball by Neil Patrick Harris and Ice Queen by Grey DeLisle.
 * Along with "Door Jam" this was the only episode that had a slight part of its storyboard revealed before the season three promo.
 * It is unknown whether Fionna, Cake, Prince Gumball, etc. are completely separate characters besides the original characters, or whether they just mirror the original characters.
 * Confirmed by Natasha Allegri on her Formspring, the theme will change only for this episode. She sang the theme for this episode.
 * Tree Trunks gender swapped version can be seen in the theme song for the episode.
 * This Episode will appear on Labor Day.
 * In the sneak peek all the characters- besides Marshall Lee and Lumpy space prince- voices have been heard.
 * It is possible that Fionna might be wearing the pink dress seen in a picture on her info page to the Bianial Gumball Ball.