The Simpsons Game Cheats for the Wii

Unlimited power for all characters:

Enter this code while in the "Extras" menu Plus, Left, Right, Plus, Minus, Z

Unlock all Movies:

Enter the code while in the "Extras" menu Minus, Left, Minus, Right, Plus, C

Unlock all Cliches:

Enter the code while in the "Extras" menu Left, Minus, Right, Plus, Right, Z