Johnny Bravo - SE2-EP07a

Johnny Bravo is a American cartoon series from 1997, produced by Cartoon Network, and created by Van Partible in the What a Cartoon! segment.

Johnny Bravo received generally positive reviews and is considered a Cartoon Network series icon. During its tour, the series was nominated for 4 Annie Awards, 1 YoungStar Award and 2 Golden Reel Awards.

Synopsis (with spoilers)
While Johnny is cleaning the lawn with a vacuum cleaner. Meanwhile, Carl orders Johnny to take care of his teleportation machine. Johnny uses the machine without permission, supposedly to become more muscular. By making it work, a fly enters Johnny, making them exchange bodies and sizes.

Johnny keeps his head, but with the body and size of the fly. While the fly retains its own caebza, but acquires the body and size of Johnny.

Johnny embarks on an adventure on the street. He gets to meet a woman and tries to flirt, but he can not because she confuses him with a fly.

Carl realizes that Johnny used his machine, and eventually manages to find him just in time before a spider devours him. To reverse the process, introduce the two affected to the machine, but Carl accidentally also enters. So, finally, the 3 are "mixed" with each other with different parts of the body.

Trivia

 * This episode is inspired by The Fly (1958 film).
 * In fact, this same movie is parodied in The Simpsons - SE09-EP04b (Bart exchanges body with a fly due to teleportation).