Toaster and Jimmy tell Timmy, B.O.B. and XJ-4 a story about a mad doctor-sciencetist (Toaster) creates a giant, monster sponge called "FrankenBob" (SpongeBob who grows into a giant) who wants Krabby Patties.
- SpongeBob SquarePants (FrankenBob)
- Jimmy Neutron
- Timmy Turner
- B.O.B. (Benzoate Ostylezene Bicarbonate)
- Toaster (The Brave Little Toaster)
- Ren (as The Angry Mob's Leader)
- Jimmy Neutron: But, he grows big! (SpongeBob grows big) He gets bigger! (He continues grow bigger) BIGGERER! (SpongeBob grows into a giant and smash through the roof of Mad Dr. von Toaster's lair) Now, that's what I called a monster!
- SpongeBob SquarePants (as The Monster FrankenBob): (The Monster FrankenBob begins to search for Krabby Patties) I... want... Krabby Patties?
- Timmy Turner (as a villager): A m... m... m... m... m... m... m...
- Radio (as another villager): A m... m... m... m... m... MONSTEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEERRRRR!!!!
- Timmy: It's Mad Dr. von Toaster!
- Ren (as the Angry Mob's Leader): He's the one who made the Monster! Get him!