 Scott Bakula plays a cab driver who is exposed to a mysterious gas and soon learns he is able to heal just about any wound (he is shot soon after the gas exposure) and has become "indistructable" unfortunately for him if he is keept in total darkness his sells will die, along with the rest of him (he finds this out when the doctor who has been testing his blood keeps finding all of his cells in the petri dishes die after she pulls them out of the freezer or whatever dark place she was keeping it) at some point he becomes a secret agent and must retrieve a stolen laser. this was a disney sunday movie which aired on April 6, 1986