Barry Allen, a forensic scientist working for the Central City police, is struck by lightning and doused in chemicals in his lab. He develops superspeed and creates a superhero identity for himself to fight crime: The Flash. Research scientist Dr. Tina McGee works at S.T.A.R. Labs and helps Barry fight crime while trying to understand how his powers are developing. As well as his superheroics, Barry tries to maintain a private life, and tries to keep his superhero identity from his colleagues, his boss Lt. Garfield, and his best friend, Julio Mendez.

Some of the reactions to this show were part of the Arrowverse Watch Order and so they wer edited for YouTube. The rest of Season 1 can be found here.