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.
| Title | Cause and Effect |
|---|---|
| Genres | Drama Sci-Fi & Fantasy |
| Release Date | 2017-05-09 |
| Episode Runtime | 00 Hours 20 Minutes |
| Season Number | 3 |
| Episode Number | 21 |
| Production Companies | Warner Bros. Television, Berlanti Productions, DC Entertainment, DC |
