10 am ET/PT | 9 am CT | 11 am MTAn explosion disintegrates the moon's dark side and hurls it, along with 311 occupants, out of Earth's orbit and into space.
11:15 am ET/PT | 10:15 am CT | 12:15 pm MTColleagues die when Zoref (Ian McShane), possessed with a consuming need for heat, extracts it from their bodies.
12:30 pm ET/PT | 11:30 am CT | 1:30 pm MTKoenig appeals aliens to allow the crew to settle on their planet after the aliens' attack leaves Moonbase Alpha inhabitable.
1:45 pm ET/PT | 12:45 pm CT | 2:45 pm MTTwo inhabitants (Brian Blessed, John Shrapnel) of an ice planet encourage Koenig to join them in immortality.
3 pm ET/PT | 2 pm CT | 4 pm MTRevenge-seeking aliens complicate matters as the crew tries to incapacitate a deadly ship containing valuable information.
4:15 pm ET/PT | 3:15 pm CT | 5:15 pm MTCellini (Gianni Garko) tries to vindicate himself by proving the existence of a terrifying, tentacled monster.
5:30 pm ET/PT | 4:30 pm CT | 6:30 pm MTThe crew answers a ship's distress signal and discovers its occupants employing a gruesome survival technique.
6:45 pm ET/PT | 5:45 pm CT | 7:45 pm MTBergman (Barry Morse) brainstorms to stop Moonbase Alpha from being sucked into a deadly black sun; guest Paul Jones.
8 pm ET/PT | 7 pm CT | 9 pm MTAn immortal alien (Peter Bowles) released from exile by Koenig (Martin Landau) destroys all life it encounters.
9:15 pm ET/PT | 8:15 pm CT | 10:15 pm MTSimmonds (Roy Dotrice) forces Koenig (Martin Landau) to let him take the place of a dead alien on an Earthbound ship.
10:30 pm ET/PT | 9:30 pm CT | 11:30 pm MTPast and future overlap as a sudden acceleration creates a duplicate moon complete with replicas of the crew.
11:45 pm ET/PT | 10:45 pm CT | 12:45 am MTA verbal communication from the planet Ariel destroys the crew's hopes of settling on a planet apparently similar to Earth.
1 am ET/PT | 12 am CT | 2 am MTKoenig must decide if the crew should evacuate to an abandoned planet or escape when Moonbase Alpha's orbit ceases.
2:15 am ET/PT | 1:15 am CT | 3:15 am MTKoenig arranges a cease-fire between two warring planets when Moonbase Alpha and its crew are caught in their fire.
3:30 am ET/PT | 2:30 am CT | 4:30 am MTEmperor Guillotine sends Dr. Over and Ligon, a new weapon in the shape of a pyramid, to the Earth, where Ligon attempts to cripple the world's economy by destroying Middle Eastern oil fields.