From Big Finish, quote;
"As the people of Moonbase Alpha continue their odyssey through space on their wandering Moon, the long-term influences of their recent alien encounters start to impact upon their course. But first, an infinity of possibilities opens up for them, with terrifying consequences.
3.1 Skull in the Sky by Marc Platt
There’s a deluge upon the Moon that will change everything forever. The Alphans must adapt and relationships will change. Then, above them, a portent of doom arrives.
3.2 The Godhead Interrogative by Nicholas Briggs
Dashka Kano has been working on translating the alien script on Zantor’s artefact. She’s beginning to make progress when one hundred objects are detected, advancing towards the Moon. Dashka’s skills will be tested to the limit by the force of an ancient civilisation.
3.3 Dragon's Domain by Nicholas Briggs
Dr Helena Russell relates a tale of hope, terror and tragedy. The Alphans discover a potential means to enact the will of their referendum and return to Earth. But the Ultra mission will be a journey into unimaginable horror." Unquote
Available here and now: https://www.bigfinish.com/releases/v/space-1999-volume-03-dragon-s-domain-2760
Rocco
Outpost Gallifrey News
Chicago