Barry takes desperate measures to stop Savitar, while H.R. keeps pressuring Tracy Brand to set a trap for Savitar and Killer Frost has an interesting proposal.
Watch The Flash s.3 ep.21 (Cause and Effect) Online
- Director: David McWhirter
- Cast: Grant Gustin | Candice Patton | Danielle Panabaker
- Rating (IMDB): 8.4
- Today: 31 Views
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