The Flash 6×04 Sneak Peek “There Will Be Blood” Season 6 Episode 4 Sneak Peek

The Flash 6×04 “There Will Be Blood” Season 6 Episode 4 Sneak Peek – HALLOWEEN EPISODE – Barry’s (Grant Gustin) efforts to prepare Cisco (Carlos Valdes) for Crisis are derailed when Cisco schemes to save Barry’s life instead. Meanwhile, Ramsey Rosso (guest star Sendhil Ramamurthy) uses his deadly new abilities to save his own life, while sacrificing his humanity in the process. Marcus Stokes directed the episode written by Lauren Certo & Sterling Gates (#604). Original airdate 10/29/2019.