In this spinoff of The CW’s popular series Arrow, scientist Barry Allen
is exposed to radiation from a particle accelerator. Combined with a mix
of chemicals, Barry gains the ability to move at super-speed and
dedicates his life to solving mysteries, fighting criminals… and
determining who killed his mother
Season 1,Episode 1 -“City of Heroes” – Scientist Barry
Allen acquires super speed through a freak accident and becomes known as
the Fastest Man Alive. In the opener, Barry, a CSI investigator, is
struck by lightning and awakens from a coma nine months later with the
gift of super speed. Barry puts his new powers to work when another
meta-human attacks the city.