Scooby-Doo and Scrappy-Doo (1979)

S3E16 Hardhat Scooby

Shaggy and the gang take on the role of construction workers at a vampire's new property. As they navigate the challenges of the job, they find themselves in a spooky environment filled with eerie surprises and unexpected encounters. The group must keep their wits about them while tackling the tasks at hand, all while trying to unravel the mysteries surrounding the vampire and his eerie construction site.