Space: 1999

An explosion disintegrates the moon's dark side and hurls it, along with 311 occupants, out of Earth's orbit.

A wandering energy force inhabits the body of Alpha technician Anton Zoref, turning him into an energy absorbing being.

An ancient alien queen persuades Koenig to allow their moon to collide with her planet.

Koenig appeals aliens to allow the crew to settle on their planet after the aliens' attack leaves Moonbase Alpha inhabitable.

Two inhabitants of an ice planet encourage Koenig to join them in immortality.

Revenge-seeking aliens complicate matters as the crew tries to incapacitate a deadly ship with valuable information.

Cynthia's son turns out to be an alien seeking human bodies for fleeing fugitive space travelers to inhabit.

Cellini tries to vindicate himself by proving the existence of a terrifying, tentacled monster.

A call for help from the survivors of a dying world, an incredible world that has been flying through space for 900 years, with contrasting inhabitants.

The Alphans take drastic measures to prevent the traveling moon from drifting into a black sun.

A beautiful woman convinces all but Koenig to join her on a seemingly paradisiacal planet.

While exploring a cavern in an asteroid, the Alphans release Balor, a sadistic alien who has achieved immortality.

Dr. Russell's presumed-dead husband mysteriously reappears on a reconnaissance mission to a nearby planet.

Simmonds forces Koenig to let him take the place of a dead alien on an earthbound ship.

Several of the crew become Cro-Magnons after being caught in a time warp on a newly discovered planet.

A sudden acceleration creates a duplicate moon complete with replicas of the crew.

Koenig's soul is captured and scrutinized by an alien living there.

Communication from another planet dashes the crew's hopes of settling on a planet similar to Earth.

Koenig must prevent an alien force on an obsolete mission from destroying Moonbase Alpha and its occupants.

Koenig must prevent an alien force on an obsolete mission from destroying Moonbase Alpha and its occupants.

Koenig decides to use explosives to prevent a collision with an unseen intelligence.

A botanist's experiments in communication between plants and man bring bizarre, frightening results.

Koenig is faced with a tough choice when Moonbase Alpha's orbit ceases.

Koenig arranges a cease-fire between warring planets when Moonbase Alpha is caught in their fire.