1. Breakaway
Aired: Sep 4, 1975 Commander John Koenig, the new commander of Moonbase Alpha, leads the investi...
2. Force of Life
Aired: Sep 11, 1975 A wandering energy force inhabits the body of Alpha technician Anton Zoref, t...
3. Collision Course
Aired: Sep 18, 1975 After destroying an asteroid on a collision course with the moon, an even lar...
4. War Games
Aired: Sep 25, 1975 Moonbase Alpha is attacked and devastated by warships from a nearby planet. W...
5. Death's Other Dominion
Aired: Oct 2, 1975 On the ice world of Ultima Thule the Alphans encounter members of lost earth ...
6. Voyager's Return
Aired: Oct 9, 1975 The Alphans encounter the Voyager space probe that has been wandering the cos...
7. Alpha Child
Aired: Oct 16, 1975 The Alphans' joy turns to horror when the first child born on the Alpha matur...
8. Dragon's Domain
Aired: Oct 23, 1975 Discredited Eagle pilot Tony Cellini is beset by recurring nightmares in whic...
9. Mission of the Darians
Aired: Oct 29, 1975 The Alphans encounter a miles-long ark from the planet Daria, where the inhab...
10. Black Sun
Aired: Nov 5, 1975 The moon is approaching a black hole. Professor Bergman is a able to rig up a...
11. Guardian of Piri
Aired: Nov 12, 1975 Contact is made with the planet Piri, where the main computer created an idyl...
12. End of Eternity
Aired: Nov 19, 1975 While exploring a cavern in an asteroid, the Alphans release Balor, a sadisti...
13. Matter of Life and Death
Aired: Nov 26, 1975 Dr. Russell's presumed-dead husband mysteriously reappears on a reconnaissanc...
14. Earthbound
Aired: Dec 3, 1975 A vessel of alien pacifists, bound for Earth, lands on the moon. They are gre...
15. The Full Circle
Aired: Dec 10, 1975 While exploring an Earth-type world several Alphans, including Commander Koen...
16. Another Time, Another Place
Aired: Dec 17, 1975 A distortion in time produces two separate moons, with two separate Alphas fr...
17. The Last Sunset
Aired: Dec 31, 1975 As the Alphans are planning to explore the planet Ariel, a 'missile' attaches...
18. The Infernal Machine
Aired: Jan 7, 1976 The Alphans encounter Delmer Plebus Powells Gwent, a huge spacecraft which de...
19. Ring Around the Moon
Aired: Jan 14, 1976 Maintenance technician Ted Clifford is possessed by an eerie yellow glow, whi...
20. Missing Link
Aired: Jan 21, 1976 After Commander Koening's Eagle crashes on the planet Zenno, his soul is capt...
21. Space Brain
Aired: Jan 28, 1976 Alien glyphs appear on all of Alpha's screens. Koenig sends an Eagle to inves...
22. The Troubled Spirit
Aired: Feb 4, 1976 The ghost a man not yet dead haunts Alpha.
23. The Testament of Arkadia
Aired: Feb 11, 1976 The Alphans land on the planet Arkadia, where glyphs suggest it is the cradle...
24. The Last Enemy
Aired: Feb 18, 1976 The Alphans find themselves caught up in a long-running war between two rival...