All four Jonas Brothers are set to appear in a new movie.

Nick, Joe and Kevin Jonas, who all starred in hit Disney movie Camp Rock, will be joined by their younger brother Frankie who will make his big screen debut in Walter the Farting Dog. The brothers will play musicians who are asked to care for a fat dog with severe flatulence, according to People.com.

The film, based on a best-selling series of books, is scheduled to begin shooting in spring 2009 and will reportedly be directed by The Farrelly brothers, whose credits include 1998's There's Something About Mary.

The Jonas Brothers are also set to star in their own TV show titled J.O.N.A.S.

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(This news article provided by World Entertainment News Network)