Scooby-Doo and the Reluctant Werewolf

This is the final appearance of Scrappy-Doo in the 20th century. His next appearance was in Scooby-Doo (2002).

When the cook at the drive-in theater snack bar asks Shaggy what he wants, Shaggy is in his werewolf form, but the cook does not seem to notice, and he acts surprised when he first hears Shaggy's hiccup-induced transformation into his human form. It isn't until the cook gives Shaggy his order when he finally realizes Shaggy is a werewolf and panics.

Hanna-Barbera Swirling Star logo after end credits