The CW has released their official description for The Flash's role in the four-part "Invasion!" crossover.
Screen captures from the extended promo trailer for the Flash episode "Killer Frost"
Preview trailer for the Flash episode "Killer Frost" directed by Kevin Smith
"Kid Flash" Keiynan Lonsdale talks about Wally West's current state of mind in the episode "Shade" in this interview from the set of The Flash.
Official CW preview images for the Flash episode "Killer Frost" directed by Kevin Smith
Preview clip for the Flash episode "Shade" airing tonight on The CW
Official description for the Flash episode "Killer Frost" directed by Kevin Smith
Trailer and extended promo screen capture images for the Flash episode "Shade"
Official preview images for the Flash episode "Shade"
Preview video for the November 1 episode of The Flash.