Barry is shocked when Eobard Thawne returns in the most unexpected way, and with a tie to a loved one. Damien Darhk offers advice to Barry but there is a catch. An epic battle begins with Reverse Flash pitted against The Flash, Team Flash, Batwoman, ... (more)Sentinel and Ryan Choi.

Andres Soto, Chyler Leigh, Javicia Leslie, Jessica Hayles, Jon Cor, Neal McDonough, Osric Chau, Tom Cavanagh, Tony Curran