The Outer Limits: The Joining on AllMovie

With the earth's atmosphere facing destruction, NASA scientist Miles Davidow (C. Thomas Howell) manages to find a method of survival by merging his own DNA with a mysterious life form on the planet Venus. At first, the Venusian influence bestows remarkable recuperative powers on Davidow's body. Eventually, however, the terrible side effects of the "treatment" threatens the life of every person whom Davidow truly cares about. "The Joining" first aired on April 17, 1998.