The Flash Season 3 Episode 21
Overview
Barry takes drastic measures to stop Savitar. Meanwhile, H.R. continues to push Tracy Brand to design the trap for Savitar and Killer Frost returns with an interesting proposal.
Director: David McWhirter
Guest Star: Andre Tricoteux, Anne Dudek, Danielle Nicolet, Grant Gustin, Ken Camroux-Taylor, Liam Hughes, Richard Zeman, Sasha Rojen, Tobin Bell