Space: 1999

10 Best Episodes of Space: 1999 - Season 1

The crew of Moonbase Alpha must struggle to survive when a massive explosion throws the Moon from orbit into deep space.

Written by Sophie and last updated on dec 28, 2022.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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Space: 1999 - S1E12

#15 - End of Eternity (Season 1 - Episode 12)

A terrifying power is unknowingly freed by the Alphans when they free a killer that seemingly can't be killed. How can Koenig and the others stop a psychopath that is virtually immortal?

The episode was rated 7.06 from 52 votes.

Space: 1999 - S1E13

#14 - Matter of Life and Death (Season 1 - Episode 13)

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Dr. Russell's long-lost husband, Lee, appears on an Eagle returning from an Earth-like planet. He warns that the planet is not for them and that a power greater than they can understand will destroy them if they go there. Koenig must decide whether to listen to Lee's warning or evacuate the Moon before it's too late.

The episode was rated 7.11 from 46 votes.

Space: 1999 - S1E21

#13 - Space Brain (Season 1 - Episode 21)

The Alphans encounter an intangible mass as the moon heads though space and it could spell disaster for them. The energy field seems to have a strange and frightening power that Koenig and the others try to figure out before it's too late.

The episode was rated 7.11 from 35 votes.

Space: 1999 - S1E6

#12 - Voyager's Return (Season 1 - Episode 6)

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Grim danger emerges from the past as Alpha is threatened with destruction from an unmanned spacecraft. The ship was sent up from Earth many years earlier with tragedy in its wake. If this threat wasn't enough, victims from outer space threaten revenge.

The episode was rated 7.12 from 74 votes.

Space: 1999 - S1E16

#11 - Another Time, Another Place (Season 1 - Episode 16)

The people of Alpha are faced with a very strange phenomenon as they find themselves copied and encounter their future selves on Earth. The unspoken question is how long will this last and what does it mean for the Alphans..?

The episode was rated 7.13 from 39 votes.

Space: 1999 - S1E14

#10 - Earthbound (Season 1 - Episode 14)

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People originating from a dying planet land on the moon and tell the Alphans that their spacecraft has been programmed to take them to Earth. With room on their ship to take one of the base's personnel, Koenig faces a dramatic decision..

The episode was rated 7.13 from 45 votes.

Space: 1999 - S1E3

#9 - Collision Course (Season 1 - Episode 3)

Commander Koenig encounter a woman named Arra, who is older than Earth itself but breathtakingly beautiful as well. Is it destiny that the two met or something more? It all happens when the Moon is on a collision course with a planet many times its size.

The episode was rated 7.26 from 117 votes.

Space: 1999 - S1E2

#8 - Force of Life (Season 1 - Episode 2)

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A terrifying force from Outer Space brings freezing death to Alpha personnel. One man has been chosen as the instrument of destruction.

The episode was rated 7.28 from 158 votes.

Space: 1999 - S1E5

#7 - Death's Other Dominion (Season 1 - Episode 5)

Commander Koenig and his colleagues speed through space and time into a chilling world of ice. However, once there, they encounter people who appear to be former inhabitants of earth stranded there when their expedition crashed on the planet they call Ultima Thule.

The episode was rated 7.28 from 75 votes.

Space: 1999 - S1E4

#6 - War Games (Season 1 - Episode 4)

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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 the aggressor planet?

The episode was rated 7.30 from 83 votes.

Space: 1999 - S1E8

#5 - Dragon's Domain (Season 1 - Episode 8)

The Alphans encounter an eerie graveyard of lost spaceships that may be the result of encounters with a deadly monster in outer space. Is the threat real or imagined? Koenig must determine the truth before it may be too late....

The episode was rated 7.30 from 69 votes.

Space: 1999 - S1E11

#4 - Guardian of Piri (Season 1 - Episode 11)

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A mysterious power from an alien planet takes control of Alpha with the intent of luring its inhabitants to a paradise of eternal peace but also a place of living death. Commander Koenig is the only one capable of saving the Alphans from a terrible fate.

The episode was rated 7.34 from 50 votes.

Space: 1999 - S1E10

#3 - Black Sun (Season 1 - Episode 10)

The moon base personnel find themselves on a collision course with an asteroid. However, the asteroid is deflected by a greater threat: an all-devouring black sun that will destroy Alpha unless things changes rapidly.

The episode was rated 7.36 from 58 votes.

Space: 1999 - S1E23

#2 - The Testament of Arkadia (Season 1 - Episode 23)

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In distant outer space, the Moon's random careening comes to a sudden halt as the Alphans discover what looks to be origins of life on Earth itself. Could this discovery spell the end of the Moon or the beginning of a new life for the Alphans?

The episode was rated 7.36 from 44 votes.

Space: 1999 - S1E1

#1 - Breakaway (Season 1 - Episode 1)

Suspected radiation from nuclear waste containers threatens a deep space probe from Earth's space research center on the moon. It is a prologue to disaster and mankind's most fantastic adventure.

The episode was rated 7.55 from 211 votes.

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