The Simpsons Game Cheats - Wii

Cheat Mode
Enter the following code in the "Extras" menu screen. You'll hear a sound upon successful entry.

[Plus], [Left], Right], [Plus], [Minus], [Z] - Unlimited power for all characters
[Minus], [Left], [Minus], [Right], [Plus], [C] - Unlock all movies
[Left], [Minus], [Right], [Plus], [Right], [Z] - Unlock all Cliches