Haunted

"Haunted" is the fifth episode of the fourth season of the American television series Arrow, based on the DC Comics character Green Arrow, revolving around billionaire playboy Oliver Queen as he returns to Starling City (later renamed Star City), after having been shipwrecked for five years, and becomes a bow-wielding, hooded vigilante who sets out to fight crime and corruption. It is set in the Arrowverse, sharing continuity with the other television series of the universe. The episode was written by Brian Ford Sullivan and Oscar Balderrama, and directed by John Badham. Stephen Amell stars as Oliver, and is joined by principal cast members Katie Cassidy, David Ramsey, Willa Holland, Emily Bett Rickards and Paul Blackthorne. The episode sees Oliver bringing sorcerer John Constantine for help because Sara Lance has become feral following her resurrection via the Lazarus Pit. Caity Lotz guest stars as Sara and Matt Ryan as Constantine, reprising his role from the NBC series of the same name. The episode was filmed in Vancouver, from August 17 to 27, 2015. "Haunted" was first aired in the United States on The CW on November 4, 2015, and was watched by 2.60 million viewers with a 1.1/4 share among adults aged 18 to 49. The episode received positive reviews from critics. Plot