In the Simpsons, Freddy Quimby is the nephew of a character that first appeared in which episode ?
The Boy Who Knew Too Much (The Simpsons):  During part of his escape, he witnesses an event in which Freddy Quimby, the spoiled nephew of Mayor Quimby, is accused of beating up a French waiter. Mayor Quimby:  He is voiced by Dan Castellaneta, and first appeared in the episode "Bart Gets an F".
Bart Gets an F