The Space Shuttle returns to earth, but some of the equipment brought back on it begins to behave strangely. Scientists are unsure what is happening, and decide to take all necessary precautions.
Col. Jason Grant
Ray Tanner
Koreman
Mera
Beck
Intrepid Commander
Haskell
Intrepid Pilot
Grant's Son
Research Assistant
Barnes
Lieutenant
Additional Voices (voice)
