SpongeBob SquarePants & Gravity Falls: The Musical Movie!

SpongeBob SquarePants & Gravity Falls: The Musical Movie! is a 2019 American animated musical mystery adventure crossover film directed by Alex Hirsch, Aaron Springer and Stephen Hillenburg and produced by Paramount Animation, Walt Disney Pictures, Nickelodeon Movies, Amblin Entertainment and United Plankton Pictures and distributed by Paramount Pictures in North America and Walt Disney Studios Motion Pictures in the international.

It is the first SpongeBob film to be produced by Steven Spielberg and his company, Amblin Entertainment.

It's based on both animated TV shows "SpongeBob SquarePants" and "Gravity Falls".

Plot
The SpongeBob SquarePants gang and the Gravity Falls gang team up and start a musical tradition for the first time.

Cast

 * Tom Kenny as SpongeBob SquarePants and Gary the Snail, SpongeBob's pet snail
 * Jason Ritter as Dipper Pines, who becomes friends with SpongeBob and Patrick
 * Kristen Schaal as Mabel Pines, Dipper's twin sister who becomes friends with SpongeBob and Patrick
 * Bill Fagerbakke as Patrick Star, SpongeBob's best friend
 * Clancy Brown as Mr. Krabs, SpongeBob's boss
 * Alex Hirsch as Grunkle Stan, Soos Ramirez and Old Man McGucket
 * Rodger Bumpass as Squidward Tentacles, SpongeBob and Patrick's neighbor
 * Linda Cardellini as Wendy Corduroy, Dipper's crush who becomes friends with SpongeBob and Patrick
 * Carolyn Lawrence as Sandy Cheeks
 * Dee Bradley Baker as Waddles, Mabel's pet pig
 * Niki Yang as Candy Chiu, one of Mabel's best friends
 * Carl Faruolo as Grenda, one of Mabel's best friends
 * Jackie Buscarino as Pacifica Northwest
 * Lori Alan as Pearl Krabs, Mr. Krabs' daughter
 * J.K. Simmons as Stanford "Ford" Pines
 * T.J. Miller as Robert "Robbie" Stacy Valentino
 * Jessica DiCicco as Tambry
 * John Goodman as Douglas Carson, the supporting protagonist who is a great boss to SpongeBob, Dipper and the gang
 * Emma Stone as Hillary Persumatkis, the main antagonist who is Plankton's partner
 * Mr. Lawrence as Sheldon J. Plankton, the main antagonist who is Hillary's partner
 * Jon Cryer as Charlie Watterson, Douglas' partner who likes to watch SpongeBob, Dipper and the gang sing and dance along with Douglas.
 * Rowan Blanchard as Lisa Smith, Mabel, Candy and Grenda's new partner who dislikes Hillary
 * Chris Pine as David Lee Anderson, Wendy's long-lost partner who has money to make her rich and proud
 * Kevin Michael Richardson as Sheriff Daryl Blubs
 * Keith Ferguson as Deputy Edwin Durland

Songs

 * Firework (sung by SpongeBob, Dipper and the gang) from Madagascar 3: Europe's Most Wanted

Trivia

 * This is the first SpongeBob SquarePants movie to be released by Disney.
 * This is the first SpongeBob SquarePants movie to be produced by Amblin Entertainment.
 * This is the first film that SpongeBob SquarePants deserves a crossover.