Overview
Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes to Central City to help the girls celebrate Iris's bachelorette party, while Cisco, Joe and the guys take Barry out for a night on the town.
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4 - 1The Flash Reborn October 10, 2017 -
4 - 2Mixed Signals October 17, 2017 -
4 - 3Luck Be a Lady October 24, 2017 -
4 - 4Elongated Journey Into Night October 31, 2017 -
4 - 5Girls Night Out November 07, 2017 -
4 - 6When Harry Met Harry... November 14, 2017 -
4 - 7Therefore I Am November 21, 2017 -
4 - 8Crisis on Earth-X (III) November 28, 2017 -
4 - 9Don't Run December 05, 2017 -
4 - 10The Trial of The Flash January 16, 2018 -
4 - 11The Elongated Knight Rises January 23, 2018 -
4 - 12Honey, I Shrunk Team Flash January 30, 2018 -
4 - 13True Colors February 06, 2018 -
4 - 14Subject 9 February 27, 2018 -
4 - 15Enter Flashtime March 06, 2018 -
4 - 16Run, Iris, Run March 13, 2018 -
4 - 17Null and Annoyed April 10, 2018 -
4 - 18Lose Yourself April 17, 2018 -
4 - 19Fury Rogue April 24, 2018 -
4 - 20Therefore She Is May 01, 2018 -
4 - 21Harry and the Harrisons May 08, 2018 -
4 - 22Think Fast May 15, 2018 -
4 - 23We Are The Flash May 22, 2018