A Pup Named Scooby-Doo - Season 1 - Eps 6: The Babysitter From Beyond
Scooby and Shaggy go to see a scary film while dropping off Shaggy's baby sister at the sitters, but they are horrified when they find the sitter is hideous. What's worse is that the monster movie character has come to life and an escaped convict is on the loose.
About A Pup Named Scooby-Doo

Title: A Pup Named Scooby-Doo
First Air Date: 1988-09-10
Last Air Date: 1991-08-17
Status: Ended
Rating: 7.6/10 (from 275 votes)
Language: EN
Seasons: 4
Total Episodes: 30
Network: ABC
Genres: Animation, Mystery, Comedy, Family, Kids
Production Companies: Hanna-Barbera Productions
Synopsis
The world's favorite chicken-hearted canine, as a puppy? That's right! And the old gang is back with him. Shaggy, Daphne, Velma, and Freddy are all here as gangly kids — goofing off, solving kid-size mysteries, and having run-ins with ghouls, ghosts, and goblins.
Cast

Don Messick
Scooby-Doo (voice)

Casey Kasem
Shaggy Rogers (voice)

Carl Steven
Fred Jones (voice)

Kellie Martin
Daphne Blake (voice)

Christina Lange
Velma Dinkley (voice)

Scott Menville
Red Herring (voice)