Get ready for big FAT laughs! Featuring Hollywood's hottest teen stars, Frankie Muniz (MALCOLM IN THE MIDDLE) and Nickelodeon's Amanda Bynes, BIG FAT LIAR is the hilarious revenge comedy filled with nonstop action and laugh-out-loud fun! Fourteen-year-old Jason Shepherd (Muniz) has a reputation for stretching the truth. So, when big-time Hollywood producer Marty Wolf (Paul Giamatti) steals his class paper and turns it into a smash hit movie, no one believes Jason's latest tall tale! On a cross-country adventure to set the record straight, Jason and best friend Kaylee (Bynes) devise a high-tech plan to squeeze the truth out of Wolf through a series of outrageous pranks, crazy stunts and big laughs. It's payback time - BIG TIME!