"The new commander of Moonbase Alpha's investigation of a mysterious disease uncovers the evidence of a far greater looming disaster."

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"The Alphans encounter the Voyager space probe that has been wandering the cosmos propelled by the Queller drive- a faulty engine system. Following the probe is a fleet of alien ships from a world devastated by the drive."

"The Alphans' joy turns to horror when the first child born on the Alpha matures into a five year old in a matter of hours. This is only a prelude to the arrival of formless alien fugitives- who plan to inhabit Alpha's population."

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"The Alphans encounter a miles-long ark from the planet Daria, where the inhabitants have a very distinctive class separation."

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"Dr. Russell's presumed-dead husband mysteriously reappears on a reconnaissance mission to a nearby planet."

"A vessel of alien pacifists, bound for Earth, lands on the moon. They are greeted as friends by all- except Commissioner Simmons who sees their vessel as way to return home."

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"As the Alphans are planning to explore the planet Ariel, a 'missile' attaches itself to the en route Eagle. Upon returning to Alpha, the 'missile' gives the Alphans a lunar atmosphere. But ..."

"The Alphans encounter Delmer Plebus Powells Gwent, a huge spacecraft which defies aerodynamics and is an extension of Gwent's genius and ego."

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"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 scientist Mentor as a bait with ..."

"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 exiles from the planet ..."

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"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 ..."

"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 by the fake Koenig ..."

"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 are in a state of ..."

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"Some subterranean miner start chanting for a planet that will cause the Moon to pass through a nebula deadly to those living at Moonbase Alpha."

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"The arrival of the Alphans on another planet seems to cause a change in its atmosphere, setting off pollution and poisoning of the water. They meet Zoran, the sole survivor of the last ..."

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