The Flash 8x17 "Keep It Dark" Season 8 Episode 17 Promo Trailer HD - DANIELLE PANABAKER DIRECTS - The Flash (Grant Gustin) goes off the grid to look for answers about a new Meta in town. Meanwhile, Allegra (Kayla Compton) pulls out all of the stops at CC Citizen Media, to protect a source and a friend. The series also stars Jesse L. Martin, Candice Patton, Danielle Panabaker, Danielle Nicolet and Brandon McKnight. Danielle Panabaker directed the episode written by Kristen Kim & Emily Palizzi (817). Original airdate 6/8/2022. Every episode of THE FLASH will be available to stream on The CW App and CWTV.com the day after broadcast for free and without a subscription, log-in or authentication required. - Starring: Grant Gustin, Candice Patton, Danielle Panabaker