6 Seasons
S2 E1

Life in Hell

A UFO crashes in Pennsylvania. Was it a secret Soviet satellite -- or something far more dangerous? On Mercury, NASA finds the impossible: frozen water. A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon. What is it?

Seasons

Episode   1

Life in Hell

Episode   2

Top Secret Terror

Episode   3

Hammer of Thor

Episode   4

Spacewalk of Doom

Episode   5

Did We Nuke Jupiter?

Episode   7

Lethal Weapons

Episode   8

Revenge of the Fireflies