Cause and Effect
The Flash · Season 3 · Episode 21
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.
Episode Details
Air date, runtime, timezone, and episode position.
Season
3
Episode
21
Air Date
09/May/2017
Air Time
20:00
Runtime
42 min
Overview
Episode summary.
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.
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