As homesick Rhom is returning to Mars with Johnny and Zena, the Satellite is drawn in to the evil planet, Silica, also known as the Devil's Diamond. When they disembark from the ship, they are attracted to a cave by strange tinkling sounds, but when they reach the cave, they are attacked by men made of crystal.
| Name | Type | Role | |
|---|---|---|---|
| Peter Fernandez | Writer | ||
| Sid Jacobson | Writer | ||
| Alan Riefe | Writer |