14-year-old Jason Shephard has one problem. He finds it very hard to tell the truth, which is slowly starting to lose the trust of his father. He is ordered to repeat the grade during the summer, if he is unable to get his essay in. When he is knocked off a bike by movie producer Marty Wolf, he accidentally gets his essay mixed in with Marty's papers, leaving Jason's story, 'Big Fat Liar' behind. Sitting in the cinema, during the cinema, he makes a huge discovery. Marti Wolf has made a movie based on his essay. Now Jason, along with his best friend, Kaylee set off to retrieve his paper back and earn his dad's trust back.

'Majors, Lee' plays a studio stuntman. He portrayed a stuntman in the TV series "The Fall Guy" (1981)

Jason Sheperd:
Remember me? I wrote "Big Fat Liar".

Continuity: When Jason's sister's boyfriend arrives, he clearly switches off his engine and removes the key, but the sound of the engine can still be heard. When he gets in the car again, the keys are in his hand but the engine is still running.

Written by Greg Camp, Steven Harwell
Performed by Smash Mouth
Courtesy of Interscope Records
Under license from Universal Music Enterprises