The BEST episodes of Space: 1999

Every episode of Space: 1999 ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Space: 1999!

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.

Last Updated: 12/31/2023Network: ITV1Status: Ended
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Dragon's Domain
star
7.94
204 votes

#1 - Dragon's Domain

Season 1 - Episode 8 - Aired 10/23/1975

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....

Directors: Charles Crichton
Watch Now:Amazon
The Last Sunset
star
7.91
169 votes

#2 - The Last Sunset

Season 1 - Episode 17 - Aired 1/1/1976

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.

Directors: Charles Crichton
Watch Now:Amazon
Another Time, Another Place
star
7.88
191 votes

#3 - Another Time, Another Place

Season 1 - Episode 16 - Aired 12/18/1975

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..?

Directors: David Tomblin
Writer: Johnny Byrne
Watch Now:Amazon
Death's Other Dominion
star
7.54
233 votes

#4 - Death's Other Dominion

Season 1 - Episode 5 - Aired 10/2/1975

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.

Directors: Charles Crichton
Watch Now:Amazon
Collision Course
star
7.51
273 votes

#5 - Collision Course

Season 1 - Episode 3 - Aired 9/18/1975

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.

Directors: Charles Crichton
Watch Now:Amazon
Force of Life
star
7.50
365 votes

#6 - Force of Life

Season 1 - Episode 2 - Aired 9/11/1975

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

Directors: David Tomblin
Writer: Johnny Byrne
Watch Now:Amazon
Voyager's Return
star
7.49
203 votes

#7 - Voyager's Return

Season 1 - Episode 6 - Aired 10/9/1975

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.

Directors: Bob Kellett
Writer: Johnny Byrne
Watch Now:Amazon
Guardian of Piri
star
7.43
180 votes

#8 - Guardian of Piri

Season 1 - Episode 11 - Aired 11/13/1975

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.

Directors: Charles Crichton
Watch Now:Amazon
War Games
star
7.41
239 votes

#9 - War Games

Season 1 - Episode 4 - Aired 9/25/1975

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?

Directors: Charles Crichton
Watch Now:Amazon
Breakaway
star
7.40
578 votes

#10 - Breakaway

Season 1 - Episode 1 - Aired 9/4/1975

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.

Directors: Lee H. Katzin
Watch Now:Amazon
Space Brain
star
7.37
161 votes

#11 - Space Brain

Season 1 - Episode 21 - Aired 1/29/1976

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.

Directors: Charles Crichton
Watch Now:Amazon
Matter of Life and Death
star
7.33
300 votes

#12 - Matter of Life and Death

Season 1 - Episode 13 - Aired 11/27/1975

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.

Directors: Charles Crichton
Watch Now:Amazon
The Infernal Machine
star
7.32
161 votes

#13 - The Infernal Machine

Season 1 - Episode 18 - Aired 1/8/1976

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

Directors: David Tomblin
Watch Now:Amazon
The Last Enemy
star
7.27
111 votes

#14 - The Last Enemy

Season 1 - Episode 24 - Aired 2/19/1976

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.

Directors: Bob Kellett
Writer: Bob Kellett
Watch Now:Amazon
Alpha Child
star
7.27
168 votes

#15 - Alpha Child

Season 1 - Episode 7 - Aired 10/16/1975

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.

Directors: Ray Austin
Watch Now:Amazon
End of Eternity
star
7.24
178 votes

#16 - End of Eternity

Season 1 - Episode 12 - Aired 11/20/1975

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?

Directors: Ray Austin
Writer: Johnny Byrne
Watch Now:Amazon
The Testament of Arkadia
star
7.20
148 votes

#17 - The Testament of Arkadia

Season 1 - Episode 23 - Aired 2/12/1976

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?

Directors: David Tomblin
Writer: Johnny Byrne
Watch Now:Amazon
The Bringers of Wonder (1)
star
7.17
71 votes

#18 - The Bringers of Wonder (1)

Season 2 - Episode 18 - Aired 8/4/1977

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.

Directors: Tom Clegg
Watch Now:Amazon
Mission of the Darians
star
7.12
163 votes

#19 - Mission of the Darians

Season 1 - Episode 9 - Aired 10/30/1975

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?

Directors: Ray Austin
Writer: Johnny Byrne
Watch Now:Amazon
The Troubled Spirit
star
7.09
138 votes

#20 - The Troubled Spirit

Season 1 - Episode 22 - Aired 2/5/1976

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?

Directors: Ray Austin
Writer: Johnny Byrne
Watch Now:Amazon
Dorzak
star
7.06
68 votes

#21 - Dorzak

Season 2 - Episode 21 - Aired 8/25/1977

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.

Directors: Val Guest
Watch Now:Amazon
Missing Link
star
7.00
163 votes

#22 - Missing Link

Season 1 - Episode 20 - Aired 1/22/1976

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...

Directors: Ray Austin
Watch Now:Amazon
Black Sun
star
6.98
237 votes

#23 - Black Sun

Season 1 - Episode 10 - Aired 11/6/1975

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.

Directors: Lee H. Katzin
Writer: David Weir
Watch Now:Amazon
Earthbound
star
6.92
254 votes

#24 - Earthbound

Season 1 - Episode 14 - Aired 12/4/1975

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..

Directors: Charles Crichton
Watch Now:Amazon
The Metamorph
star
6.84
162 votes

#25 - The Metamorph

Season 2 - Episode 1 - Aired 9/4/1976

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.

Directors: Charles Crichton
Writer: Johnny Byrne
Watch Now:Amazon