The Flash: 3×21 Season 3 Episode 21 HydraHD
Watch The Flash: 3×21 Season 3 Episode 21 Online Free
Cause and Effect
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.
3 x 1Flashpoint | The Flash Season 3 Episode 1 04/10/2016
3 x 2Paradox | The Flash Season 3 Episode 2 11/10/2016
3 x 3Magenta | The Flash Season 3 Episode 3 18/10/2016
3 x 4
3 x 5Monster | The Flash Season 3 Episode 5 01/11/2016
3 x 6Shade | The Flash Season 3 Episode 6 15/11/2016
3 x 7Killer Frost | The Flash Season 3 Episode 7 22/11/2016
3 x 8
3 x 9The Present | The Flash Season 3 Episode 9 06/12/2016
3 x 10
3 x 11
3 x 12Untouchable | The Flash Season 3 Episode 12 07/02/2017
3 x 13
3 x 14
3 x 15
3 x 16
3 x 17Duet (II) | The Flash Season 3 Episode 17 21/03/2017
3 x 18Abra Kadabra | The Flash Season 3 Episode 18 28/03/2017
3 x 19
3 x 20
3 x 21
3 x 22
3 x 23Finish Line | The Flash Season 3 Episode 23 23/05/2017