spoiler warningwe have all hear the boy who cry wolf legend . but what if the wolf be a person in the modern world . well it might be something like big fat liar . fourteen year old jason sheperd ( frankie muniz from malcolm in the middle ) be always lie to keep himself out of trouble . one day he be pressure to write an english essay and but it wind up in the hand of sleazy film maker marty wolf ( paul giamatti ) who plan to turn jason story into a hollywood blockbuster . no one believe jason when he for once tell the truth and he end up in summer school . however jason be determine to prove to his parent the truth and travel to l. a. with his friend kaylee ( amanda bynes ) . when wolf refuse to admit he rip off his story and jason plan to make wolf life a living hell . b. f. l. be no masterpiece but it a nice way to spend 90 minute of youre time . i wish they could have make it a bit longer though and there aren not that much prank although they be clever enough ( i like the pool dye the best ) . i might not have like this as much a i do if it weren not for paul giamatti . he be simply hilarious in this . if you have 90 minute to kill try this out . you might just enjoy it .