Tiny Toons/Animaniacs: Looney Mayhem

Tiny Toons/Animaniacs: Looney Mayhem is an upcoming animated crossover adventure comedy film written and directed by Jacob S. Lee, produced by Tom Ruegger, Deanna Oliver and Sherri Stoner, and was executively produced by Steven Spielberg and Barry Sonnenfeld. The tenth film in the Warner Bros. Cinematic Looniverse, the film is based on the television series Tiny Toon Adventures and Animaniacs.

Synopsis
For the first time since graduating from Acme Looniversity, the Tiny Toons have reunited! Buster, Babs, and their pals decide to take a trip to the Warner Bros. Studios in Burbank, California and visit fellow cartoon stars Yakko, Wakko, and Dot. What follows is absolute chaos as the friendly rivals jump through portals into both the past and the future, messing with everyone's sanity in the process. But it's all fun and games until they run into [insert villainous historical figure here], who plans to end the toons' vacation permanently!

Live-Action Cast

 * Brian-Doyle Murray as Thaddeus Plotz
 * Will Sasso as Ralph T. Guard
 * ??? as [insert villainous historical figure here (not Hitler!)]

Voice Cast

 * John Kassir as Buster Bunny
 * Rob Paulsen as Yakko Warner and Pinky
 * Jess Harnell as Wakko Warner
 * Tress MacNeille as Dot Warner, Babs Bunny, Mindy's mother, and Marita
 * Kath Soucie as Fifi La Fume
 * Gail Matthius as Shirley the Loon
 * Maurice LaMarche as the Brain, Squit, and the Godpigeon
 * Chick Vennera as Pesto
 * John Mariano as Bobby
 * Sherri Stoner as Slappy Squirrel
 * Olivia Munn as Skippy Squirrel
 * Bernadette Peters as Rita
 * Frank Welker as Runt, Buttons, Chicken Boo, Mindy's father, and Flavio
 * Nancy Cartwright as Mindy
 * Julie Brown as Minerva Mink
 * Laura Mooney as Katie Ka-Boom
 * Jeff Bennett as Baloney the Dinosaur

Trivia

 * The film is considered a sequel to The Tiny Toons Movie and Animaniacs.
 * This is the first Animaniacs film to receive a PG rating for action and some rude humor.
 * There are cameo appearances from the cast of Loonatics Unleashed and Histeria!.