The Flash 3x21 Extended Promo "Cause and Effect" (HD) Season 3 Episode 21 Extended Promo HD

The Flash 3x21 "Cause and Effect" Season 3 Episode 21 Extended Promo - Barry (Grant Gustin) takes drastic measures to stop Savitar. Meanwhile, H.R. (Tom Cavanagh) continues to push Tracy Brand (guest star Anne Dudek) to design the trap for Savitar and Killer Frost (Danielle Panabaker) returns with an interesting proposal. David McWhirter directed the episode written by Judalina Neira & Lauren Certo (FLA321). Original airdate 5/9/2017. Subscribe to tvpromosdb on Youtube for more The Flash season 3 promos in HD! The Flash official website: http://www.cwtv.com/shows/the-flash/ Watch more The Flash Season 3 videos: https://www.youtube.com/playlist?list=PLfrisy2KXzkdp6FdF8E-t6ImHjqgDHZVz Like The Flash on Facebook: https://www.facebook.com/CWTheFlash Follow The Flash on Twitter: https://twitter.com/CW_TheFlash Follow The Flash on Instagram: https://www.instagram.com/CWTheFlash The Flash 3x21 Extended Promo/Preview "Cause and Effect" The Flash Season 3 Episode 21 Extended Promo The Flash 3x21 Extended Promo "Cause and Effect" (HD) » Watch The Flash Tuesdays at 8:00pm/7c on The CW » Starring: Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Tom Cavanagh Contribute subtitle translations for this video: https://www.youtube.com/timedtext_video?v=-8epymSKzn0