Fireball XL2 has crashed on Planet Monotane, and Fireball XL5 is sent to investigate, only to run into a sort of space dinosaur...

After a blackout at Space City, a missile gets through the radar blackout, and is heading towards Space City with a dangerous cargo...

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...

Everyone on planet Zolpheid is killed in an Aquaphibian attack, except for Rald and Jerek. Receiving an SOS, Space City sends Fireball XL5 to rescue the two from Zolpheid's oceans.

To capture a group on criminals, Steve, Matt and Venus pretend to steal XL5.

On a survey of Pharos, the crew of XL5 disocver the planet is unstable and must be destroyed. After setting up bombs, someone traps Steve and the others in with it.

Whilst on patrol, the XL5 comes across the wreck of an old spaceship. Setting out to investigate, they find it to be the TA2, that disappeared in the 2020's, and the hunt is on to find her pilot...

On planet Floran, the crew of XL5 try to discover what is killing the plants there, however the native people believe they are an invasion force and drug their food.

Blazing fireballs from a space cloud cause widespread damage on Earth. XL5 is sent to investigate but it catches fire and has to retreat. Steve proposes using an old satellite to detonate the cloud, but a fireball is heading directly to Space City.

On patrol, Fireball XL5 suddenly catches fire. The cause, sabotage! Commander Zero sends Light Patrol LP22 to investigate, but the XL5 crew have disappeared...