The Flash Season 4 Comic-Con Trailer The world needs The Flash. The Flash Season 4 premieres October 10th at 8/7c on The CW. Show More… Comments Related Videos The Flash Season 3 “Sizzle Reel” Trailer (HD) The Flash 3×13 Trailer “Attack on Gorilla City” (HD) Season 3 Episode 13 Trailer The Flash Season 3 “Whisper to a Scream” Trailer (HD) The Flash 3×10 Trailer “Borrowing Problems from the Future” (HD) Season 3 Episode 10 Trailer