Penance

"Penance" is the fourth episode of the fifth season of Arrow, and the ninety-sixth episode overall. It will air on October 26, 2016.

Synopsis
Oliver and Lyla team up on a secret mission for Diggle. Felicity finds out and disapproves of the plan and opts to stay behind. When Tobias Church launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow.

Production
Production ran from July 27 until August 8, 2016. Shooting ran from August 9 until August 18, 2016.