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.
Walter Koenig
Col. Jason Grant
Bruce Campbell
Ray Tanner
Robert Kurcz
Koreman
Leigh Lombardi
Mera
Tom Case
Beck
Judy Levitt
Intrepid Commander
Reavis Graham
Haskell
Reuben Yabuku
Intrepid Pilot
