From your description I believe that the movie you are seeking is, I-Man.
?When a truck carrying a sample of alien gas is ran off the road, the
container springs a leak. A man and his son is exposed to the gas in
an attempt to rescue the driver and a scientist. Discovering the gas
has a strange effect on him. He and his son can heal instantly, now
wanted by the elderly crime lord who wanted the gas for just that
reason. They must discover a way to keep ahead of him and his men.
Their only weakness is long term exposure to complete darkness will
kill them. This was only a pilot for a series that never made it.?
?This was a sci-fi show about a guy and his son having super human
healing powers. They got this power from being too close to a van that
had some kind of chemical in it and it exploded, causing the guy to be
badly burned and having to go to the hospital. The burns soon just
?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
I hope this answers your question. If it does not, or the answer is
unclear, then please ask for clarification of this research before
rating the answer. I shall respond to the clarification request as
soon as I receive it.
Searched IMDB in plots for: chemical powers