Oliver Reunites With Diggle On Secret Mission on 'Arrow'

Oliver (Stephen Amell) leads Diggle (David Ramsey) around the underground in this new still from Arrow.

In “Penance”, Oliver and Lyla (Audrey Marie Anderson) team up on a secret mission for Diggle. Felicity (Emily Bett Rickards) finds out and disapproves of the plan and opts to stay behind.

Meanwhile, when Tobias Church (Chad L. Coleman) launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow.

“Penance” airs TONIGHT, Wednesday, October 26th @ 8PM ET/PT on The CW.

15+ pics inside from Arrow…