The BEST Episodes of Space: 1999

Every episode ever - ranked by fan votes!

Last Updated: Sep 19, 2021

Network: ITV

It's 1999 and Moonbase Alpha has been built on the Moon to safeguard the nuclear waste shipped from Earth. On September 13, 1999, disaster strikes and the nuclear waste explodes causing a chain reaction that hurls the Moon out of Earth's orbit and into deep space. The adventures of Space: 1999 begin.

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The Last Sunset

#1 - The Last Sunset

Season 1 - Episode 17 - Aired Jan 1, 1976

When the moon approaches a possibly habitable planet, probes launched from the planet miraculously give the moon full gravity and atmosphere. However, the new gifts also have a dark side, causing Eagle crashes and making Paul delusional.

star 7.94
155 votes
Writers: Christopher Penfold
Dragon's Domain

#2 - Dragon's Domain

Season 1 - Episode 8 - Aired Oct 23, 1975

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....

star 7.94
184 votes
Writers: Christopher Penfold
Another Time, Another Place

#3 - Another Time, Another Place

Season 1 - Episode 16 - Aired Dec 18, 1975

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..?

star 7.93
179 votes
Directors: David Tomblin
Writers: Johnny Byrne
Force of Life

#4 - Force of Life

Season 1 - Episode 2 - Aired Sep 11, 1975

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

star 7.54
355 votes
Directors: David Tomblin
Writers: Johnny Byrne
Death's Other Dominion

#5 - Death's Other Dominion

Season 1 - Episode 5 - Aired Oct 2, 1975

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.

star 7.53
218 votes
Writers: Anthony Terpiloff, Elizabeth Barrows
Collision Course

#6 - Collision Course

Season 1 - Episode 3 - Aired Sep 18, 1975

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.

star 7.50
258 votes
Writers: Anthony Terpiloff, Elizabeth Barrows
Voyager's Return

#7 - Voyager's Return

Season 1 - Episode 6 - Aired Oct 9, 1975

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.

star 7.46
187 votes
Directors: Bob Kellett
Writers: Johnny Byrne
War Games

#8 - War Games

Season 1 - Episode 4 - Aired Sep 25, 1975

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?

star 7.41
225 votes
Writers: Christopher Penfold
Guardian of Piri

#9 - Guardian of Piri

Season 1 - Episode 11 - Aired Nov 13, 1975

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.

star 7.41
166 votes
Writers: Christopher Penfold

#10 - Breakaway

Season 1 - Episode 1 - Aired Sep 4, 1975

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.

star 7.39
570 votes
Directors: Lee H. Katzin
Writers: George Bellak
Space Brain

#11 - Space Brain

Season 1 - Episode 21 - Aired Jan 29, 1976

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.

star 7.35
149 votes
Writers: Christopher Penfold
Matter of Life and Death

#12 - Matter of Life and Death

Season 1 - Episode 13 - Aired Nov 27, 1975

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.

star 7.32
288 votes
Writers: Art Wallace, Johnny Byrne
The Infernal Machine

#13 - The Infernal Machine

Season 1 - Episode 18 - Aired Jan 8, 1976

The people of moonbase Alpha encounter something that is unlike anything they have encountered before:a machine that is alive and sentinent.

star 7.29
147 votes
Directors: David Tomblin
Writers: Anthony Terpiloff, Elizabeth Barrows
Alpha Child

#14 - Alpha Child

Season 1 - Episode 7 - Aired Oct 16, 1975

The first baby is born on the moon and brings great joy for the first time in a long while to theAlphans. However, terrifying events follow with an outer space battle between spaceships that could decide the fates of hundreds.

star 7.23
149 votes
Directors: Ray Austin
Writers: Christopher Penfold
End of Eternity

#15 - End of Eternity

Season 1 - Episode 12 - Aired Nov 20, 1975

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?

star 7.23
165 votes
Directors: Ray Austin
Writers: Johnny Byrne
The Last Enemy

#16 - The Last Enemy

Season 1 - Episode 24 - Aired Feb 19, 1976

In a solar system where two hostile planets are always on opposite sides of their sun, one planet uses the wandering Moon as a gun platform, putting Alpha in the middle of a never-ending war.

star 7.20
97 votes
Directors: Bob Kellett
Writers: Bob Kellett
The Testament of Arkadia

#17 - The Testament of Arkadia

Season 1 - Episode 23 - Aired Feb 12, 1976

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?

star 7.14
133 votes
Directors: David Tomblin
Writers: Johnny Byrne
The Bringers of Wonder (1)

#18 - The Bringers of Wonder (1)

Season 2 - Episode 18 - Aired Aug 4, 1977

A faster-than-light Super Swift ship arrives at Alpha, bringing friends and relatives and raising hopes that they will all be able to go home soon. But Koenig, recuperating from a brain injury, sees only hideous aliens in the visitors.

star 7.12
67 votes
Directors: Tom Clegg
Writers: Terence Feely
Mission of the Darians

#19 - Mission of the Darians

Season 1 - Episode 9 - Aired Oct 30, 1975

A call for help reaches Moonbase Alpha from the survivors of a dying world. The world is one that has been flying through space for 900 years with contrasting inhabitants. Some have never changed while others have reverted to barbarism. Does this new planet represent hope to the Alphans or something potentially dangerous?

star 7.05
148 votes
Directors: Ray Austin
Writers: Johnny Byrne

#20 - Dorzak

Season 2 - Episode 21 - Aired Aug 25, 1977

An alien space ship approaches Alpha asking for emergency assistance upon contact. They discover that they are a prison transport ship carrying a prisoner called Dorzak to life in prison on an asteroid. However, Maya knew Dorzak and claims he is a poet and not a mass murderer and releases him.

star 7.02
62 votes
Directors: Val Guest
Writers: Christopher Penfold
The Troubled Spirit

#21 - The Troubled Spirit

Season 1 - Episode 22 - Aired Feb 5, 1976

The Alphans find themselves encountering the ghost of a man who is still alive with horror and death being the result. Can Koenig stop the apparation or is the moonbase doomed?

star 6.99
124 votes
Directors: Ray Austin
Writers: Johnny Byrne
Black Sun

#22 - Black Sun

Season 1 - Episode 10 - Aired Nov 6, 1975

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.

star 6.95
224 votes
Directors: Lee H. Katzin
Writers: David Weir
Missing Link

#23 - Missing Link

Season 1 - Episode 20 - Aired Jan 22, 1976

Commander Koenig finds himself in another world and another time. It is a world of light and beauty. He has to choose between life back again among his companions on the moon and the love of a beautiful girl. Love is the only weapon he can use...

star 6.93
149 votes
Directors: Ray Austin
Writers: Edward Di Lorenzo

#24 - Earthbound

Season 1 - Episode 14 - Aired Dec 4, 1975

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..

star 6.87
238 votes
Writers: Anthony Terpiloff
The Metamorph

#25 - The Metamorph

Season 2 - Episode 1 - Aired Sep 4, 1976

Alpha needs titanium to repair its life support system and traces of it are located on the planet Psychon that is near to the moon. However, Koenig and the others soon learn of a sinister mining operation operating beneath Psychon's surface and what it may spell for the Alphans.

star 6.79
149 votes
Writers: Johnny Byrne