Tweety Bird has a cameo in this episode.
Skippy dresses up as Buster Bunny from Tiny Toons.
Slappy: This is going to be more fun than senior's night at American Gladiators.
Slappy: Ooh, candy corn.
Slappy: Hey, it's better then the corns on my feet.
Skippy: Spew and a half!
Slappy: Okay, let's try...that street!
(Slappy points to Villain Avenue)
Skippy: But all your old enemies live on that street! They don't want to give us treats--they want to annihilate us!
Slappy: (to audience) Sounds like a standard cartoon plot to me!
(Slappy points to the house at the end of the road with bats flying around it)
Slappy: Look, Skippy--it's the opening credits to "Scooby Doo"! No, I'm kidding, it's the last house--Walter Wolf's house.
This episode is included on the Animaniacs: Spooky Stuff video.