Thanks to VancouverFilm.Net, Sneak Peek footage, plus images from "The Flash" episode "The Darkness and The Light", written by Ben Sokolowski, Grainne Godfree and directed by Steve Shill, airing November 3, 2015 on The CW:
"...'Barry' (Grant Gustin) learns a new breacher, 'Dr. Light', has come through the portal and sets off to capture her.
"'Jay' (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..."
Click the images to enlarge and Sneak Peek "The Darkness and The Light"...