an Entity references as follows:
Space Stars is a 60-minute Saturday morning animated program block produced by Hanna-Barbera Productions and broadcast on NBC from September 12, 1981, to January 8, 1982. Space Stars was narrated by Keene Curtis and featured five cartoon segments each week: * Space Ghost (2 segments, 6 minutes each) * The Herculoids (1 segment, 10 minutes) * Teen Force (1 segment, 7 minutes) * Astro and the Space Mutts (1 segment, 7 minutes) * Space Stars Finale (1 segment, 7 minutes)