Space: 1999

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23. The Immunity Syndrome - Intergalactic adventures of the space-travelling Moonbase Alpha team. Commander Koenig and the team find what appears to be an inhabitable planet.

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Series 2

1. The Metamorph

Terror from a doomed planet, a planet of death, despite advanced scientific knowledge.

2. The Exiles

Humans from another planet, frozen for 300 years, are recovered and revived.

3. Journey To Where

The Alphans find that they have travelled back in time to 14th-century Scotland.

4. One Moment of Humanity

The Alphans make contact with a planet of robot humans.

5. Brian the Brain

The Alphans are hijacked by a robot, a living machine with a brain.

6. New Adam New Eve

A saintly, impressive figure claims to be God, the creator of mankind.

7. The Mark of Archanon

A geological survey below the Moon's surface reveals the existence of a metallic cabinet.

8. The Rules of Luton

A grim fight for survival takes place on a planet of bizarre intelligent plants.

9. All That Glisters

A battle for life with rock that pulsates with power, energy, intelligence and purpose.

10. The Taybor

A larger-than-life trader from Hyper-space makes a remarkable appearance on the moon.

11. Seed of Destruction

An ice-cold replica of Commander Koenig takes control of the Moon.

12. The AB Chrysalis

A mystery planet declares war on the Moonbase.

13. Catacombs of the Moon

Dr Helena Russell wages a desperate fight for the life of a girl.

14. Space Warp

Eagle One gets lost in space and, as if that isn't enough, Moonbase Alpha has problems.

15. A Matter of Balance

A member of Alpha's crew comes under the influence of an 'anti-matter' being.

16. The Beta Cloud

A mystery illness strikes the Moon.

17. The Lambda Factor

A pretty, young Alpha technician dies a horrible and unexplained death.

18. The Bringers of Wonder (Part 1)

Everyone on Moonbase is electrified by the arrival of a spaceship from earth.

19. The Bringers of Wonder (Part 2)

People from Earth have landed on Moonbase Alpha.

20. The Seance Spectre

A new planet is sighted, but is it habitable?

21. Dorzak

The alien craft requesting emergency assistance turns out to be a prison transport ship.

22. Devil's Planet

Commander Koenig is forced to crash-land his Eagle on Entra, the moon of the planet Ellna.

23. The Immunity Syndrome

Commander Koenig and the team find what appears to be an inhabitable planet.

24. The Dorcons

The Dorcons demand that the Alphans hand Maya over to them.