Barry must decide whether to let his greatest enemy die, or save his life.
Release Date: December 14, 2021 (USA)
Creator: Greg Berlanti, Andrew Kreisberg, Geoff Johns
Cast: Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Jesse L. Martin, Tom Cavanagh, Hartley Sawyer, Danielle Nicolet, John Wesley Shipp