49min - An alien ruler plans to use the Alphans as fuel for a biological computer.
49min - Bizarre capsules circling Moonbase Alpha contain ancient killers in suspended animation.
49min - Helena, John and Alan travel back in time to plague-infested Scotland.
49min - A race of superior robots forces Helena and Tony to teach it human emotions.
50min - A willful computer forces Helena and Koenig to accompany it to a poisonous plane.
49min - A godlike being offers the Alphans a chance to live on a planet resembling Eden.
49min - Cryogenically preserved beings infect the crew with a deadly disease.
48min - As punishment for destroying vegetation, Maya and Koenig must battle three aliens.
49min - A living rock in desperate need of water enslaves Tony and paralyzes Helena.
49min - A magical trader agrees to send the Alphans back to Earth in exchange for Maya.
49min - Koenig is trapped in a crystalline asteroid cave, where his double emerges and returns to Moonbase Alpha.
49min - The Alphans discover the cocoons of deadly chlorine-breathing monsters.
49min - A miner has vivid visions of his wife's demise and Moonbase Alpha's destruction.
49min - Delirious Maya endangers herself and the crew by transforming herself into an array of fearsome creatures.
49min - An ancient being tries to alter his race's fate by sacrificing the Alphans.
50min - Even Maya's powers fail against a seemingly invincible creature that incapacitates the crew.
49min - A cosmic cloud gives a crew member paranormal abilities.
49min - Aliens disguised as friends from Earth trick all but Koenig.
50min - Koenig and Maya fight to save Moonbase Alpha from deadly aliens.
49min - A deranged crewman's actions threaten to destroy the Alphans.
50min - An evil Psychon tricks Maya into teaching him the secrets of molecular transformation.
49min - Answering a distress signal, Commander Koenig is forced to do a crash-landing.
49min - Koenig must convince a powerful alien bent on destroying all visitors to set the Alphans free.
50min - The Dorcans demand that Moonbase Alpha hand over Maya so the use of her brain stem can continue their immortality.
One of my first sci-fi TV series encounter from my youth, remember I looked very much forward to next chapt... Read more
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