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Intergalactic policeman Space Ghost navigates the cosmos in his tricked-out spaceship, The Phantom Cruiser, battling villains like Brak and Zorak in his legendary suit and powerful wristbands. Dino Boy teams with caveman Ugh and dinosaur Bronty to go primeval on the ancient menaces of their primitive home.
A lava monster attacks Jace on Jupiter. Space Ghost must save him from the monster.
A tribe of worm-like creatures captures Dino Boy and Ugh must plan a rescue.
Zorak, one of Space Ghost's enemies, is freed from prison by his henchmen and kidnaps the twins in a revenge plot against Space Ghost.
Lizard-like slavers capture Jan and Jace for stumbling across their base.
While running from a T-rex, Dino Boy and Ugh are captured by the Moss Men after falling into a water-filled hole that leads to their lair. The Moss Men plan to use Dino Boy as a sacrifice. Ugh must defeat the Moss Men and rescue Dino Boy before it is too late.
The Black Widow plans to kill Space Ghost with her minions, the Tarantopods, on her planet.
After suffering a reactor burnout, Jan and Jace land on a planet where huge animals live and are controlled by the Creature King.
Dino Boy is captured by a group of Treemen to serve as a sacrifice and Ugh must leap into action with the help of some mammoths.
The Sandman has attacked military units to draw Space Ghost to him in order to destroy his mind and conquer the world.
The Collector shrinks people to use in a real-life cat-and-mouse game involving his pet six-legged alien cat Dracto.
A Fire God captures Dino Boy. The Saber-Tooth People plan to sacrifice him, but Ugh is determined to foil them.
A mysterious figure uses a robot to steal the Phantom Cruiser. Space Ghost and the twins must retrieve it.
Metallus threatens to destroy Earth with a missile unless Space Ghost surrenders to him.
Dino Boy and Ugh venture into the snow-capped mountains to rescue a young tribal girl from a large Snow Creature.
Metallus uses a robot fleet to take over Space Ghost's planet.
Zeron attacks Space Ghost by using a powerful ice ray.
Ugh is captured by the Wolf People. Dino Boy and Bronty must save him.
Jan and Jace are captured by Tansit after they witness his hi-jacking of a ship.
Space Ghost must fight a monster created by Dr. Soonev in a lab accident.
During an earthquake, Bronty is captured by a giant and Dino Boy and Ugh must save him.
