While exploring a cavern in an asteroid, the Alphans release Balor, a sadistic alien who has achieved immortality.
Did You Know?
One of the five series episodes to be adapted by Power Records in the mid-70s as an audio drama for children. The basic plot of the episode remained unchanged, though it is strongly compressed, with the Baxter subplot given extremely little time by comparison to the televised version. See more
When Balor is blown out the airlock he is shown floating freely in space. The gravity of the moon would simply have pulled him back down to the lunar surface after a short distance. See more
We're just preparing the charges now.