The crew of Moonbase Alpha must struggle to survive when a massive explosion throws the moon from orbit into deep space.
S01:E01 - Breakaway
A space probe investigating a breakaway planet is put in jeopardy when radiation causes a mystery illness. But the real danger is a huge nuclear explosion that rocks the moon.
S01:E02 - War Games
Moonbase Alpha finds itself at war with an unnamed planet. The outcome is disastrous. Everything is wrecked. But can there be a future for the survivors on this planet?
S01:E03 - Death's Other Dominion
Commander Koenig and his colleagues speed through space and time into a chilling world of ice - and meet former inhabitants of earth.
S01:E04 - Collision Course
Intergalactic adventures of the Moonbase Alpha team. As the moon is on a collision course with a planet, Carter has an encounter with a beautiful woman.
S01:E05 - Force of Life
A terrifying force from Outer Space brings freezing death to Alpha personnel. One man has been chosen as the instrument of destruction.
S01:E06 - Alpha Child
The first baby is born on the moon.......but terrifying events follow with an outer space battle between spaceships deciding the fates of hundreds.
S01:E07 - Guardian of Piri
Intergalactic adventures of the Moonbase Alpha team. A mysterious power from an alien planet takes control of the moon.
S01:E08 - Dragon's Domain
A macabre monster in outer space, an eerie graveyard of lost spaceships. Are they real or imagined? Years of mental torment reach a terrifying climax for Tony Cellini.
S01:E09 - Mission of The Darians
A call for help come from the survivors of a dying world, an incredible world that has been flying through space for 900 years.
S01:E10 - Black Sun
Terror in Outer Space confronts the breakaway moon personnel when on a collision course with an asteroid which suddenly burns out and becomes all-devouring "black sun".
S01:E11 - End of Eternity
The Alphans unleash a terrifying power when they free a killer who can't be killed. How can you deal with a psychopath who is immortal?
S01:E12 - Voyager's Return
Grim danger emerges from the past when Moonbase is threatened with destruction from an unmanned spacecraft.
S01:E13 - A Matter of Life and Death
A man returns from the dead and promise of a new civilization on a planet resembling earth opens for those stranded on the runaway moon. But there is drama ahead.
S01:E14 - Earthbound
Representatives from a dying planet land on the Moon, presenting some members of the Alpha crew with the chance of returning home. But who will be chosen?
S01:E15 - The Full Circle
The centuries roll back for the occupants of the moon as they travel through a time warp of 40,000 years and return to the Stone Age.
S01:E16 - Another Time, Another Place
Adventures of the space-travelling Moonbase Alpha team. The Moon is sucked into a vortex and duplicates itself and all the Alpha inhabitants.
S01:E17 - The Infernal Machine
Machine or man? Alpha encounters one of the strangest mysteries of the universe - a living machine.
S01:E18 - Ring Around The Moon
The moon becomes a prisoner of an alien planet as an eerie new menace grips Alpha in a ring of light and turns Dr. Helena Russell into an involuntary informer.
S01:E19 - Missing Link
Commander Koenig finds himself in another world and another time.
S01:E20 - The Last Sunset
The prospect of a normal life dangles tantalizingly for the occupants of the runaway moon. Real air and sunshine/ A new existence, similar to that on Earth.
S01:E21 - Space Brain
Alpha encounters an intangible mass as it heads though space ..... and towards disaster.
S01:E22 - The Troubled Spirit
Sci-fi series about space-age castaways. The ghost of a living man brings horror in its wake.
S01:E23 - The Testament of Arkadia
Is it the end for the Moon - or the beginning of a new life? In far-off outer space are found the origins of life on Earth itself as the Moon's random progress comes to a sudden halt.
S01:E24 - The Last Enemy
The lunar colonists adrift in space find themselves caught up in a war between two planets.
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