The Flash Season 3 Episode 21 Cause and Effect ( Air Date 2017-05-09 ) Genre Drama, Sci-Fi & Fantasy category. 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.".
The Flash Season 3 Episode 21 Cause and Effect
7.775/10 by 11224 users
- Watch: The Flash Season 3 Episode 21 Cause and Effect on CWR-CRB
- Stars: Grant Gustin, Candice Patton, Danielle Panabaker, Danielle Nicolet, Kayla Compton, Brandon McKnight, Jon Cor
- Director: Jeff Hersh, Thomas Pound, Jess Carson, Carrie Stula, Rosie Lobb, Sarah Tarkoff, Dan Fisk, Brie Thorpe, Simon Smith, Christopher Gordon, Jen Synnott, Michelle Bartolo, Joshua V. Gilbert, Emily Mason, Lukia Czernin, Vanessa Parise, Justin Kohler, Kristen Kim, Starlette Tolver, Eric Partridge, Catou Kearney, Mike Tanassee, Emily Palizzi, Maryn Richardson, Corrie Alexander, Paige Gatzka, Angela Claverie, Andy Bishop, Michael Mullane, Sean Cossey
