The Flash — Cause and Effect (S3 E21)

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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Cast: Grant Gustin, Candice Patton, Danielle Panabaker, Danielle Nicolet, Kayla Compton, Brandon McKnight, Jon Cor

Original title

The Flash

Genres

Drama · Sci-Fi & Fantasy

Release date

2017-05-09

Rating

7.4/10

Runtime

42 min

Status

Ended

Production countries

United States of America

Seasons

9

Episodes

184

Networks

The CW