The railroad finally comes to Four Feather Falls connecting it to Dallas, however someone keeps sabotaging the tracks.

Black Morgan, a descendant of the infamous pirate, has been plundering cruise ships in the Pacific, and Supercar is the only vessel that can match his speed. But then he threatens to blow up a group of hostages with a torpedo if Mike tries to stop him.

When the team uses a newly-acquired movie camera to document Supercar's abilities, the film accidentally falls into the hands of some spies, so Mike and crew have to fly to New York to retrieve it.

When experimenting with a new warhead in space, Steve Zodiac is forced to save Venus from the clutches from the sinister Cult of Miras before she can be sacrificed to their sun-god...

On Planet 73, two scientists working at a mineral research lab discover that they in the path of six tanks controlled by Granatoid robots. They can only be stopped using a rare material, but all the supplies have run out!

While drawing a schematic for a new radar screen, Lt. Ninety is surprised to find himself promoted to the rank of General!