The Muppet Show Season 1 Episode 6

A young kid named Scooter applies for a job as a gofer. When, Kermit tells him he looks nothing like a gopher, Scooter explains that he'll go-fer coffee and sandwiches among other things he'll go-fer. Kermit says he doesn't have the money pay him, but then Scooter lets in that his uncle owns the theater.