Series 1
(1975)
Cast
as John Koenig
as Helena Russell
as Victor Bergman
as Alan Carter
as Paul Morrow
as Sandra Benes
as David Kano
as Dr. Mathias
Episodes
Breakaway 7.3
September 4, 1975
In September 1999, John Koenig reports to Earth's Space Research Centre at Moonbase Alpha as its new commander. A stran…
Force of Life 4.7
September 11, 1975
The body of Anton Zoref is invaded by an unknown life force. The man soon manifests an uncontrollable ability to absorb…
Collision Course 5.2
September 18, 1975
The Moon is on a collision course with an enormous planet. On a scouting mission, Koenig encounters Arra, the Queen of …
War Games 7.0
September 25, 1975
Approaching an inhabited planet, the Alphans are suddenly pounced upon by warships. In an unprovoked attack, Moonbase A…
Death's Other Dominion 6.5
October 2, 1975
On a frozen planet, the Alphans encounter shipwrecked humans from a lost expedition. The expatriates from Earth enjoy a…
Voyager's Return 7.5
October 9, 1975
The automated Earth space probe Voyager One is approaching the Moon. With the radioactive exhaust from its engine certa…
Alpha Child 6.0
October 16, 1975
The Alphans celebrate the arrival of the first child born on the Moon. The blessed event sours when the infant grows in…
Dragon's Domain 7.5
October 23, 1975
In 1996, Tony Cellini commanded a high-profile space mission which ended in disaster. The sole survivor, he told an out…
Mission of the Darians 4.2
October 30, 1975
Encountering a derelict spaceship, the Alphans respond to an automated distress signal. On board, they discover what re…
Black Sun 6.7
November 6, 1975
The travelling Moon drifts within range of a black sun. Pulled toward certain destruction by its inescapable gravitatio…
Guardian of Piri 6.5
November 13, 1975
Strange events befuddle the Alphans as they approach the planet Piri. When exploring its lifeless surface, Koenig encou…
End of Eternity 6.0
November 20, 1975
While exploring an asteroid, the Alphans injure an alien trapped within. Bringing him to Alpha, they discover his wound…
Matter of Life and Death 5.5
November 27, 1975
A lush Earth-type planet holds the promise of a new home for the people of Moonbase Alpha. When the reconnaissance Eagl…
Earthbound 7.5
December 4, 1975
An alien spacecraft crashlands on the Moon, its passengers refugees from a dying world. As their destination is Earth, …
The Full Circle 4.0
December 11, 1975
When exploring a habitable planet, members of the Alphan survey party vanish without a trace. Are they the victims of a…
Another Time, Another Place 7.0
December 18, 1975
After an encounter with a space-time anomaly, the Alphans find their Moon back in the Solar System on a course to re-en…
The Last Sunset 7.0
January 1, 1976
Anonymous alien benfactors provide the wandering Moon with a breathable atmosphere. The Alphans rejoice as they realise…
The Infernal Machine 8.0
January 8, 1976
The Alphans are visited by a bizarre spacecraft, whose request for supplies hides a deeper purpose. The ship, Gwent, is…
Ring Around the Moon 5.5
January 15, 1976
A technician falls under an alien influence, accessing classified information before mysteriously dying. Soon after, th…
Missing Link 5.0
January 22, 1976
John Koenig finds himself trapped on the planet Zenno, in the home of an alien scientist and his daughter. Advanced two…
Space Brain 6.0
January 29, 1976
An Eagle and its crew are crushed to death by an enormous energy field in space. When one of Alpha's astronauts is poss…
The Troubled Spirit 3.0
February 5, 1976
Dan Mateo, hoping to unlock the secret of communication with plants, unleashes a killing force from the depths of his o…
The Testament of Arkadia 7.0
February 12, 1976
The wandering Moon suddenly changes course and comes to a halt in the vicinity of a dead world. As Alpha's power fails,…
The Last Enemy 9.0
February 19, 1976
The Moon approaches a solar system with two planets on opposites sides of its sun. The Alphans are trapped in an interp…