The Challenge of Gorko

Lost in Space

Peril on Planet Zero

Prehistoric Planet

The Mist of Delusion

The Duplicates

The Dangerous Journey

Peril on Planet Four

The Creeping Greens

Captive Planet

Operation Rescue

The Iron Dwarfs

The Pit of Doom

Star-Trapped

Menace of the Metal Eaters

Prisoners of Space

River of Fire

Sleep No More, Sir Thomas

Planet of Doom

The Time Trap

Operation Survival

Operation Time Shift

Menace From Uranus

The Savage Earth

The Fall of Atlantis

The Captives

Prisoners of the Brain

When Suns Collide

The Formless Foe

Attack of the Plant Creatures

The Dark Planet

The attack of the amphibian fish creatures

The arch of no return

Tracked by the Doom Missile

Space Giants

Crash Course with Planet three

The 7 Mechanical Men

Web Of Doom

Crisis on Planet 4

Accident in Hyper-Space

Battle of Giants

The Hidden World

Trapped in Space

Lost in Time

Planet of Monsters

War in Space

The Space-Jackers

Pirates of the Asteroids

Web of Doom

Plague Ship

City in Orbit

Bridge of Ages

No Place Like Home

Riders of the Deep

Menace of the Metal Eaters

Prisoners of Space

River of Fire

Sleep No More, Sir Thomas

Plague Ship