The Chum Bucket bucket helmet is a dark gray bucket with the Chum Bucket's initials written in red text in the center. This device is used to change the mindset of the fish wearing it, which the helmet covers the face of when controlled.
Role in series
"Welcome to the Chum Bucket"
SpongeBob is forced to wear the bucket helmet by Plankton, as he was working for the Chum Bucket.
Just like in the movie, Plankton uses the bucket helmet to take over the minds of the Bikini Bottomites.
The SpongeBob SquarePants Movie
Plankton uses the bucket helmet to take over the minds of the Bikini Bottomites. He then uses them as slaves to make Bikini Bottom into Planktopolis, but at the end of the movie, SpongeBob destroys the bucket helmets, frees the minds of the Bikini Bottomites, and turns Planktopolis back into Bikini Bottom. Meanwhile Plankton was arrested for brainwashing all the people of Bikini Bottom.
The SpongeBob SquarePants Movie video game
Most enemies in the game and the background characters in Planktopolis wear mind-control bucket helmets.