Dumb Waiter Caper/Comic Book Caper/Low-Down Showdown

M1, T5: Shaggy, Scooby, and Scrappy investigate a theft disguised as waiters. Shaggy and Scooby guard a rare comic book, but a creature steals it./Yabba-Doo and Scrappy help Dusty recapture a vengeful escaped prisoner.