The repercussions of Earth-2 and the existence of parallel doubles amps up the story in a strong, busy episode.
The Flash posted impressive overnight ratings for "The Darkness and the Light."
Videos promoting The Flash episode "The Darkness and the Light," airing November 3
Screen captures from a preview clip for the Flash episode "The Darkness and the Light"
The secret identity of the new Dr. Light has been revealed -- and it's a shocker.
Official photos from the Flash episode "The Darkness and the Light"
Screen captures from the extended promo trailer for the Flash episode "The Darkness and the Light"
Preview trailer for the Flash episode titled "The Darkness and the Light"
Official description for the Flash episode "The Darkness and the Light"