Clifford: The Big Red Mystery

Clifford: The Big Red Mystery is a 2026 American animated mystery adventure comedy film based on Norman Bridwell's book series Clifford the Big Red Dog and Sir Arthur Conan Doyle's Sherlock Holmes stories. Directed by Shawn Levy, the film is a sequel to the 2004 film Clifford's Really Big Movie and stars the voices of Jason Ritter, Kel Mitchell, Cree Summer, James Corden, Will Friedle, Leslie Mann, Kenneth Branagh, Hugh Jackman, Emma Roberts, and Javier Bardem. In the movie, after a huge murder has broken out across Birdwell Island, Emily Elizabeth and her parents are arrested for being the suspected murderers, and only Clifford and his friends can find out the true murderer, and so they call on the help of Sherlock Holmes and Dr. Watson to figure it out. The film is produced by Warner Bros. Animation, 21 Laps Entertainment, Red Hour Productions, and Scholastic Media, and was released on December 11, 2026, by Warner Bros. Pictures. It received mostly positive reviews from critics and grossed over $643 million on an $83 million budget.

Synopsis
Following the previous film, a murder has broken out across Birdwell Island, with the supposed suspects to be Emily Elizabeth and her parents. When they get arrested, Clifford and his friends will set out to find the true muderer... with Sherlock and Watson, of course.

Cast

 * Jason Ritter as Clifford the Big Red Dog, a large red Labrador Retriever/Vizsula hybrid. He was previously voiced by John Ritter in the first film.
 * Kel Mitchell as T-Bone, an orange and yellow bulldog with a large appetite.
 * Cree Summer as:
 * Cleo, a purple poodle who is obsessed with her looks.
 * Mrs. Diller, Cleo's owner.
 * James Corden as Mac, a British blue greyhound.
 * Will Friedle as K.C. a wisecracking lemon beagle.
 * Leslie Mann as Emily Elizabeth Howard, Clifford's kindhearted owner. She was previously voiced by Grey Griffin in the first film.
 * Kenneth Branagh as Sherlock Holmes, a famous British detective who can talk to animals.
 * Hugh Jackman as Dr. John Watson, Sherlock's friendly assistant.
 * Emma Roberts as Irene Adler, Sherlock's girlfriend who on-off works as a waiter.
 * Javier Bardem as Mack Moriarty, a villainous criminal in Birdwell Island who is the true but hidden murderer.
 * Chris Rock as Charlie, one of Emily Elizabeth's friends. He was previously voiced by Oren Williams in the first film.
 * Megan Fox as Jetta Handover, one of Emily Elizabeth's friends and Mac's owner. She was previously voiced by Kath Soucie in the first film.
 * Ben Stiller as Vaz, one of Emily Elizabeth's friends.
 * Grey Griffin as Caroline Howard, Emily Elizabeth's mother.
 * Cam Clarke as Mark Howard, Emily Elizabeth's father.
 * Earl Boen as Horace Bleakman, the Howards's next door neighbor.
 * Edie McClurg as Violet Bleakman, Horace's wife.
 * Nick Jameson as Sheriff Lewis, T-Bone's owner.
 * Wayne Brady, Jenna Elfman, Jess Harnell, and Wilmer Valderama as Shackleford, Dorothy, Dirk, and Rodrigo, the animals of "Larry's Amazing Animals", respectively.
 * Judge Reinhold as Larry Gablegobble, the owner and president of "Larry's Amazing Animals".