The CW have released the official synopsis for the fifth episode of ‘The Flash’ Season 2, titled “The Darkness and the Light.”

Official Synopsis:

“The Darkness and the Light” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)

DR. LIGHT COMES THROUGH THE BREACH — Barry (Grant Gustin) learns a new breacher, Dr. Light, has come through the portal and sets off to capture her. Jay (guest star Teddy Sears) tells Barry that Dr. Light was not a threat on Earth-2 and that Barry can reason with her. However, during a fight with The Flash, she blinds him and drops some shocking news about Zoom. Meanwhile, Barry and Patty (Shantel VanSanten) go out on a date. Steve Shill directed the episode written by Ben Sokolowski & Grainne Godfree (#205). Original airdate 11/3/2015.