SpongeBob SquarePants: The Movie Cheats

Bikini Bottom World 1 passwords
Level 1-1 - Thugfish, Gayfish, Thugfish, SpongeBob, SpongeBob, Mindy
Level 1-2 - Mindy, SpongeBob, Gayfish, Gayfish, Thugfish, Mindy
Level 1-3 - King Neptune, Patrick, Jellyfish, Gayfish, Thugfish, Mindy
Level 1-4 - King Neptune, Chum Bucket, Mindy, Patrick, SpongeBob, Mindy

Level select
Enter Chum Bucket Helmet, Chum Bucket Helmet, Ice-Cream Monster, Jellyfish, King Neptune, SpongeBob as a password.

Enter Patrick, SpongeBob, Bucket Hat, Jellyfish, Neptune, SpongeBob. You will start with all levels unlocked (except the secret levels above Mindy's palace).

Advanced level
Enter Red Guy, Queen, King, Patrick, Bob, Queen as a password.

Shell city level four
Enter Clam, SpongeBob, Robot With Dog Face, Clam, King Neptune, SpongBob as a password.

Bikini Booty mini-games
Get to the second checkpoint in the Management Material level. Jump to the cliff on the left and go through the tree trunk. Continue through the level and select a prize on the wheel to complete the level. The "M" square at the level selection screen is now unlocked. Choose it to play the Bikini Booty level, where any completed mini-games can be played again.

Defeating the first Boss
Duck when he throws the sickles. When he gets ready to tackle, jump on his head. Do this three times and he will have stars around his head.