The Flash (2014) (2014)

Episode Overview

A formidable alien menace descends upon Earth under enigmatic conditions, forcing Barry, Iris, and the entire Team Flash to confront their toughest challenge yet in a frantic effort to protect the planet. As the clock ticks down and humanity's future hangs in the balance, Flash and his team must reach out to some familiar allies if they hope to overcome this daunting threat and emerge victorious.