“A Flash of the Lightning” is the title of the second episode of The Flash Season 6 and John Wesley Shipp (1990’s Flash/Henry Allen/Jay Garrick) guest stars, we’re assuming as one of those three characters!
We don’t have any photos yet, but here is a description courtesy of The CW. The episode airs on October 15.
JOHN WESLEY SHIPP TO GUEST STAR – Faced with the news of his impending death, Barry’s (Grant Gustin) resiliency suffers as he struggles to fight fate. Meanwhile, Cecile’s (Danielle Nicolet) career as a D.A. conflicts with her identity when she crosses paths with a villainous meta-human. Chris Peppe directed the episode written by Sam Chalsen & Jeff Hersh (#602). Original airdate 10/15/2019.