It's our penultimate episode on the 1981-82 season, and we're talking about the 11:00 to 11:30AM timeslot from Spring 1982. It includes the first half of Space Stars on NBC, Blackstar on CBS, and Scooby-Doo Classics on ABC.
Space Stars (NBC)
“The Zombie Masters” (S01E13): http://www.toonova.com/blackstar-episode-13
Scooby-Doo Classics (ABC)
“Spooky Space Kook” (original broadcast 12/20/69 S01E15) http://www.toon.is/scooby-doo-1x15-spooky-space-kook_99bb37849.html
Show Artwork - Kyle Ward, Gabrielle Atkins
Theme Music - Starbolt by Slime Girls