Arrow 4x09 "Dark Waters" (Mid-Season Finale) - After the city is attacked again, Oliver (Stephen Amell) makes a bold move against HIVE. Malcolm (John Barrowman) checks in on Thea (Willa Holland) and leaves her with a warning. Things take a horrible turn when Damien Darhk (guest star Neal McDonough) retaliates in a brutal manner at Oliver’s mayoral holiday party. John Behring directed the episode written by Wendy Mericle & Ben Sokolowski (#409). Original airdate 12/9/2015. Subscribe to tvpromosdb on Youtube for more Arrow season 4 promos in HD!
Arrow 4x09 Promo/Preview "Dark Waters" (Mid-Season Finale) Arrow Season 4 Episode 9 Promo Arrow Season 4 Mid-Season Finale Promo Arrow 4x09 Promo "Dark Waters" (HD) (Mid-Season Finale)