In "Brotherhood," the next episode of "Arrow," Oliver Queen makes the next steps in his bid for mayor, which earns him the attention of Damien Darhk (Neal McDonough). Meanwhile, Ray (Brandon Routh) rejoins Team Arrow and works with Felicity back at her and Oliver's apartment.
"Brotherhood" - Team Green Arrow's ongoing battle with Damien Darhk (Neal McDonough) is complicated by a shocking revelation. Thea's (Willa Holland) bloodlust returns and she loses control in front of Alex (guest star Parker Young). James Bamford directed the episode written by Speed Weed & Keto Shimizu (#407). Original airdate 11/18/2015