While tormenting Fencer, the Rat Brothers almost accidentally put Rocki into harm's way causing the gang to boot the Rats out of the mansion. bent on getting back at Foofur's gang, Sammy and the Rats turn to Big Boombah and His Shipyard Rats.
- Mrs. Escrow
- Male Painter
- Female Painter
- Big Boombah
- Rat Henchmen
- Mrs. Escrow encounters the Rat Brothers for the first time.
- When Chucky suggests on "Exterminating" Foofur's gang, Chucky's tail is not seen, and at the same time, one of Boombah's henchmen's upper face is the same color as His muzzle/stomach.
- In Two Scenes after Big Boombah and His hench-rats exit the house, Louis' Nose isn't seen.