Scooby-Doo and Scrappy-Doo

Season 1, Episode 3

Episode Title: Strange Encounters of a Scooby Kind

Air Date: 1979-10-06

Overview:

An alien ship kidnaps Scooby, Scrappy and Shaggy who are camping out at a construction site. It's up to Fred, Daphne, and Velma to save the three from the space ship.