Rumor has it that there is going to be a episode that the two worlds collide and the they all meet. No one knows for sure. •-•
*Update*
Yes, there will be another Fionna and Cake episode. It was strongly hinted in the recent episodes like "Mystery Dungeon", where Ice King rounds a couple of characters and insist he makes Fionna and Cake alive.
Like I said in my last edit, there is a very strong chance they'll make more. The next Fionna and Cake episode will be "Bad Little Boy" starring Marshall lee, of course.
It's called "Fionna and Cake"
There is 17 or more episodes of Fionna and cake! :D
Fionna and cake
"Adventure Time with Fionna and Cake" aired on Setember 5, 2011. The second Fionna and Cake episode, "Bad Little Boy", aired on February 18, 2013.
Fionna And Cake.
I doubt there will be another Adventure Time with Fionna and Cake episode, as it was revealed at the end of the episode that the characters were actually part of a fan fiction that the ice king wrote about Finn and Jake. although it is unlikely, it is not impossible, and there is no way to tell for sure if there will be a similar episode.
eather your talking about the prinsses in shrek and a dilishous food or your talking about a new adventure time episode wher fionna is fin and cake is jake.
No but maybe they will.
Yes
In the episode Fionna and Cake, Marshall Lee has no speaking part so then for he has no voice actor. But in the new episode, Bad Little Boy, he is voiced by Donald Glover.
Even though there have been episodes of Adventure Time with Fionna, she technically does not exist in the show. She is made up by ice king in his fan fiction and he says they live in Ooh not Ooo. Fionna has been in episodes "Fionna and Cake" and "Bad Little Boy", both times the plot of the episode was made up by the Ice King or Marceline. The Ice King has made attempts to make Fionna come to life in the episode "Mystery Dungeon". as I said they are just a made up story so they probably not come up again.
Yes,it is coming soon.