Simpsons Time

Simpsons Time is an upcoming 2018 television movie crossover with The Simpsons and Adventure Time. It will star the voices of Jeremy Shada, Hynden Walch, Tom Kenny, John DiMaggio, Mark Hamill, Olivia Olson, Dan Castellaneta, Harry Shearer, Julie Kavner, Yeardley Smith, Hank Azaria, and Nancy Cartwright.

Plot
The citizens of Ooo are planning a surprise party for Springfield, but when an evil overlord called Darkness (Mark Hamill) steals the souls of the residents of Ooo and Springfield, it's up to Finn, Jake, Marcelline, and the Simpsons to stop him.

Songs
Main article: Simpsons Time: The Soundtrack
 * "Simpsons Time Opening Sequence" by Danny Elfman, additional vocals by Jeremy Shada and John DiMaggio
 * "Evil is Good, Darkness is Destroy" by Mark Hamill
 * "Plans" by Jeremy Shada, John DiMaggio, Olivia Olson, Yeardley Smith, Dan Castellaneta, Nancy Cartwright, and Julie Kavner
 * "Spineless" by Olivia Olson, Yeardley Smith, and Nancy Cartwright
 * "Death by Blood" by Mark Hamill
 * "Final Fight" by Hans Simmer
 * "We're Saved" by entire cast

Opening Sequence
TBA

Trivia

 * Fit Tony, Legs, Louie, and Sideshow Bob are somehow absent in the special.