Oliver enlists deadly allies in Arrow Disbanded trailer The CW has released the official trailer for the next episode of Arrow, which sees Oliver enlisting the aid of the Bratva to help him with Prometheus. Check it out in the player below! Titled “Disbanded” and set to air March 29, the episode is officially described as follows: “Diggle (David Ramsey) and Felicity (Emily Bett Rickards) are shocked by Oliver’s (Stephen Amell) decision to call on the Bratva to help take down Prometheus (Josh Segurra).