Unlock Extras Menu CodesAdded 14 Dec 2007, ID #1818
The following codes are entered at the 'Extras' menu screen and if they have been entered correctly you will hear Bart Simpson laugh as confirmation. When entering these codes the L/R refers to the shoulder buttons and Left/Right to the control pad.
Unlock Unlimited Power for ALL Characters: Press Triangle, Left, Right, Triangle, Square, L.
Unlock ALL Movies: Press Square, Left, Square, Right, Triangle, R.
Unlock ALL Clichés: Press Left, Square, Right, Triangle, Right, L.