When did The Flash Season 0 Episode 40 air?
The Flash Season 0 Episode 40 aired on December 5, 2016.


The fastest man alive.
After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.
Explore the story behind the Crossover Event.
Direct answers for episode-level questions and details.
The Flash Season 0 Episode 40 aired on December 5, 2016.
This episode runs for approximately 9 minutes.
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