Earth's Moon is the site of Moonbase Alpha, a scientific research colony nestled in the crater Plato. Staffed by over 300 men and women from Earth, it is the operations center for several space expeditions. It is also a watchdog for vast amounts of atomic waste from Earth stored in silos on the Moon's far side. Magnetic radiation builds up and causes the wastes to explode with such force that the Earth's centripetal pull on the Moon is overcome, and the Moon is broken free of Earth's orbit to drift at incredible speed out of the Solar System off the plane of the ecliptic. The survivors on Moonbase Alpha are unable to return to Earth and must survive in unknown space on their wandering Moon. They encounter a planet whose advanced people project an illusion of a devastating attack on Moonbase. This TV movie was edited from scenes of two episodes ("Breakaway" and "War Games") of "Space: 1999" (1975).
as Commander John Koenig
as Doctor Helena Russell
as Professor Victor Bergman
as Captain Alan Carter
as Paul Morrow
as Sandra Benes
as Commissioner Gerald Simmons
as Male Alien
as Female Alien
as Commander Anton Gorski
as Benjamin Ouma
as Eddie Collins
as David Kano
as Luna Commission Chairman
as Main Mission Operator
