Big Fat Liar is a 2002 American comedy film, directed by Shawn Levy, written by Dan Schneider and Brian Robbins, and starring Frankie Muniz, Paul Giamatti, Amanda Bynes, Amanda Detmer, Donald ...

He leaves an important essay entitled "Big Fat Liar" in movie producer Marty Wolf's limo, which he then turns into a film. When Jason sees a movie preview of it, he and his best friend ...