The Sludge Monster from the Earth's Core A Pup Named Scooby-Doo : Season 1 Episode 2
TV-G ABC 30m
Aired: September 17th, 1988 @ 12:00 AM EST on ABC
The Coolsville bank is robbed. The janitor says that he saw a monster in the vault but nobody believes him and he is accused of the robbery. He's proven right when Scooby finds the monster inside his doghouse.
