In February 2015, Deadline reported that Warner Brothers and Cartoon Network Studios stated there was a possibility of a film adaptation based off of the TV series Adventure Time. However, the project never came to fruition.
- Jeremy Shada as Finn the Human
- John DiMaggio as Jake the Dog
- Tom Kenny as Ice King, Magic Man
- Hynden Walch as Princess Bubblegum
- Olivia Olson as Marceline the Vampire Queen
- Niki Yang as BMO
- Pendleton Ward as Lumpy Space Princess
- Jessica DiCicco as Flame Princess
- Kumail Nanjiani as Prismo
- Steve Little as Abracadaniel
- Will Arnett as The Lich
- Nicolas Cage as Peppermint Butler
- Billy West as Goose
Why It Was Cancelled
- The cancellation reasons are unknown.
- Adventure Time remained a cartoon series.
- Adventure Time: The Movie was permanently cancelled
- Adventure Time ended in 2018.
- Adventure Time is getting 4 specials on HBO Max and will be called Adventure Time: Distant Lands.