Recharge Your Health:
Pause the game, then press and hold L2. Then press CIRCLE, CIRCLE, CIRCLE, SQUARE, SQUARE, R2, R1, UP, CIRCLE, SQUARE. A sound will confirm correct code entry.
Unlock All FMVs:
To unlock all of the FMVs in the game, go to the main menu and hold L1. Then press LEFT, RIGHT, LEFT, DOWN, UP, DOWN, R1, CIRCLE, R2, SQUARE.Go to the Options screen to view the newly unlocked movies.
Source? Here it is.