The family watches a cheesy movie that gets interrupted by commercials.

The family watches the conclusion of a bad movie on TV.

The family explores the chaotic sci-fi convention full of nerds.

Mark Hamill is introduced and a riot breaks out over a volunteer.

Homer saves Mark Hamill and Mayor Quimby from the rioting nerds.

Mayor Quimby fires his bodyguards and hires Homer on the spot.

Homer and others undergo a ridiculous bodyguard training course.

Homer practices his bodyguard skills on his family at home.

Mayor Quimby takes bribes from Moe and other business owners.

Lisa tries to explain the bribes to Homer but he ignores her.

Mayor Quimby meets with Fat Tony to accept a bribe for the school milk contract.

Homer discovers Fat Tony's mob is milking rats for the school milk.

Homer angrily confronts Mayor Quimby, who falls from a window.

Homer and the police shut down the rat milk operation.

Fat Tony threatens Mayor Quimby with death from jail.

Mayor Quimby is too scared to leave the house due to Fat Tony's threat.

Homer and the mayor attend a musical where Fat Tony is present.

Fat Tony tries to poison the mayor's food during the musical.

A henchman tries to stab the mayor during the musical performance.

Mark Hamill compliments Homer on his bodyguard skills.

A reporter ambushes Mark Hamill and Homer protects him again.

The episode ends with a song and a final gag.