A strange cloud drifts over the base and causes most of the crew to be stricken with illness. A monster, the ‘cloud creature’ appears out of the cloud and runs…

Several crew members explore the planet Sunin, including botanist Shermeen Williams, who appears to have visionary gifts. She links up with an alien, called Vindrus, who wants her help in…

Koenig and Verdeschi are sucked into a space warp. A feverish Maya is stricken with a fever that causes her to transform into a repulsive space monster.

Ship’s engineer Patrick Osgood believes he can obtain titanium, to make a new heart for his sick wife Michelle, from the catacombs of the moon, using dynamite. The explosion which…

The Alphans land on a planet seemingly devoid of any human existence but being run by a group of machines. The machines explain to the visitors that their human overlords…

Whilst he is exploring an asteroid Koenig is taken over by an alien race known as the Kalthon, who replace him with an exact double. In consequence every action ordered…

The expansive Taybor, an inter-galactic merchant arrives from hyper-space on his ship the ‘Emporium’. He is offering to sell things to the Alphans. Koenig realizes that if the Taybor sold…

The Alpha Moonbase needs a rare ore known as Milgonite, which is detected on an extremely dry planet. Koenig leads a small landing force and discovers a glowing rock formation…

The latest extra-terrestials to be rescued by the Moon Alpha Base crew are Pasc and his young son Etrec. They are from the usually peaceful planet of Archaron and they…

Whilst Koenig and Maya are exploring a planet called Luton,which is lush in vegetation, she picks a flower and he helps himself to some fruit. As a result they are…

The tall and imposing Magus arrives on the base. He claims god-like powers, namely that he effected the Creation. But he is now disillusioned with the way that Life has…

The Alphans encounter an eccentric and intelligent robot who is known as Brian the Brain. Brian’s creator Captain Michael and his crew have all died in mysterious circumstances and Brian…

A transmission from Dr. Logan in Texas City leads the Alphans to believe that they can finally land back on Earth, though they have travelled through time and, when they…

A sinister woman called Zamara materializes on the base, forcing Helena and Tony to accompany her to the planet of Vega, whose natives are anything but friendly. A servant of…

An Eagle is sent onto the surface of the planet Psychon, which has titanium, needed for repairs to the Alpha Base. It fails to return and is used by Psychon…

With Maya now a crew member the Alphans discover a young couple called Cantor and Zova who have been in suspended animation for some while. They claim that they are…

The Moon approaches a solar system with two planets on opposites sides of its sun. The Alphans are trapped in an interplanetary conflict when warships from both worlds trespass on…

The wandering Moon suddenly changes course and comes to a halt in the vicinity of a dead world. As Alpha’s power fails, the only hope for survival is to evacuate…

An Eagle and its crew are crushed to death by an enormous energy field in space. When one of Alpha’s astronauts is possessed by the anomaly, he tells them the…

Dan Mateo, hoping to unlock the secret of communication with plants, unleashes a killing force from the depths of his own mind. This macabre spectre seeks vengeance for Mateo’s horrible…

John Koenig finds himself trapped on the planet Zenno, in the home of an alien scientist and his daughter. Advanced two million years beyond Earthmen, the aliens consider Koenig their…

A technician falls under an alien influence, accessing classified information before mysteriously dying. Soon after, the Moon is stopped in space by the powerful rays of an alien spacecraft. The…

Anonymous alien benfactors provide the wandering Moon with a breathable atmosphere. The Alphans rejoice as they realise they have a wonderful new home in their own backyard. Preparations are made…

The Alphans are visited by a bizarre spacecraft, whose request for supplies hides a deeper purpose. The ship, Gwent, is found to be sentient, the attempt of a vain alien…

When exploring a habitable planet, members of the Alphan survey party vanish without a trace. Are they the victims of an indigenous tribe of Stone Age humanoids? The mystery deepens…

After an encounter with a space-time anomaly, the Alphans find their Moon back in the Solar System on a course to re-enter Earth orbit. The celebration ends when it becomes…

While exploring an asteroid, the Alphans injure an alien trapped within. Bringing him to Alpha, they discover his wounds have completely healed. The indestructible Balor is a scientist whose people…

An alien spacecraft crashlands on the Moon, its passengers refugees from a dying world. As their destination is Earth, they generously offer to take one person with them when they…

A lush Earth-type planet holds the promise of a new home for the people of Moonbase Alpha. When the reconnaissance Eagle returns, it carries an unexpected passenger: Helena’s husband, who…

Strange events befuddle the Alphans as they approach the planet Piri. When exploring its lifeless surface, Koenig encounters the seductive servant of the mysterious Guardian of Piri. She offers the…

The travelling Moon drifts within range of a black sun. Pulled toward certain destruction by its inescapable gravitational force, the Alphans employ desperate measures to stay alive. As a lifeboat…

In 1996, Tony Cellini commanded a high-profile space mission which ended in disaster. The sole survivor, he told an outrageous tale of a spaceship graveyard and an alien ‘dragon’ which…

Encountering a derelict spaceship, the Alphans respond to an automated distress signal. On board, they discover what remains of the once-great civilisation of Daria: an elite group which maintains control…

The Alphans celebrate the arrival of the first child born on the Moon. The blessed event sours when the infant grows into a five-year-old child in minutes. Trying to accept…

The automated Earth space probe Voyager One is approaching the Moon. With the radioactive exhaust from its engine certain to extinguish all life on Moonbase, the Alphans try to gain…

On a frozen planet, the Alphans encounter shipwrecked humans from a lost expedition. The expatriates from Earth enjoy an idyllic existence: they have been made immortal and have lived there…

Approaching an inhabited planet, the Alphans are suddenly pounced upon by warships. In an unprovoked attack, Moonbase Alpha is devastated by Earth-style Hawk fighters. With 128 dead and Alpha unable…

The Moon is on a collision course with an enormous planet. On a scouting mission, Koenig encounters Arra, the Queen of Atheria. The aged monarch proclaims the collision is a…

The body of Anton Zoref is invaded by an unknown life force. The man soon manifests an uncontrollable ability to absorb energy. As the Alphans struggle to understand this mysterious…

In September 1999, John Koenig reports to Earth’s Space Research Centre at Moonbase Alpha as its new commander. A strange sickness is killing some of the Moonbase Alpha crew. Commander…