S01E01 The Night of The Crab
The Crab crashes the Space Awards at the Space Palace and steals the awards. It's up to Space Ace and the Space Mutts to get the award back and defeat The Crab.
Dorno and Gleep spot the Snake Riders, who plan an attack from halfway across the planet, across the Boiling Sea. They warn the others and the Herculoids drive them back to their caverns, but Zara gets captured. Zok disguises himself as one of the Riders' giant snakes and Dorno disguises himself as a Snake Rider and they sneak in, free Zara, and seal off the passageway leading back to the Snake Riders' home.
Space Stars is a 1981 NBC Saturday morning cartoon created by Hanna-Barbera which ran from 1981-1982 on NBC and Nickelodeon.