The Jonas Brothers + Walter the Farting Dog = heaven for tweens.

Wait - it gets better - the film is directed by The Farrelly Brothers those madmen who gave the world Dumb & Dumber, There's Something About Mary and Me, Myself & Irene.

Walter, the titular dog, is a corpulent canine with severe flatulence who is cared for musicians played by the J. Bros, natch.

"By the time they've driven the dog home, everybody's head is out the window of the family station wagon," co-director Peter Farrelly revealed.

20th Century Fox smells something too - franchise.