The Simians befriend a slick-talking traveler named Largo, who captures the crew for Rhesus 2.

The monkeys need a few androids to help in defending the universe.

In the Caelin system, the primate ship is shot down and sinks into the pink ocean covering the planet.

Nebula has the GLOP generator but needs one last part from the Primate Avenger.

Capt. Simian is lost on a world of illusion, and only a visit from Mandrax can save him.