Scooby-Doo and Guess Who? Season 1 Episode 7
The Cursed Cabinet of Professor Madds Markson!
When our mystery solving gang accepts the invitation to spend one night in the haunted Savannah Hotel in Las Vegas before its controlled demolition, they find that they're not alone. Magicians Penn & Teller have also accepted the challenge.
Guest Stars
Penn Jillette
Penn Jillette (voice)
Teller
Teller (voice)
Phil LaMarr
Madds Markson (voice)