Oliver and Felicity get trapped in the bunker together, while Diggle and Lyla deal with marital issues.
| Title | Underneath |
|---|---|
| Genres | Crime Drama Action & Adventure |
| Release Date | 2017-05-03 |
| Episode Runtime | 00 Hours 28 Minutes |
| Season Number | 5 |
| Episode Number | 20 |
| Production Companies | Berlanti Productions, DC Entertainment, Warner Bros. Television, DC |
