Oliver gets closer to the truth about Prometheus. Meanwhile, Helix refuses to continue helping Felicity until she does a favor for them.
| Title | Checkmate |
|---|---|
| Genres | Crime Drama Action & Adventure |
| Release Date | 2017-03-15 |
| Episode Runtime | 00 Hours 55 Minutes |
| Season Number | 5 |
| Episode Number | 16 |
| Production Companies | Berlanti Productions, DC Entertainment, Warner Bros. Television, DC |
