Scooby-Doo and Scrappy-Doo Season 4 Episode 30 Alien Schmalien ( Air Date 1982-11-27 ) Genre Animation, Mystery, Comedy, Family, Kids category. Overview "A alien that trashed in Tumbleweed is instantly kidnapped and placed as a circus act. It's up to Yabba and the gang to get him back to where he belongs.".