Arrow - Season 4 Episode 5 Haunted
When things take a turn for the worse with Sara, Oliver calls in a favor from an old friend who deals in the mystical, John Constantine.
- Genre: Crime, Drama, Action & Adventure
- Studio: The CW
- Keyword: superhero, based on comic, superhero team, masked vigilante
- Cast: Stephen Amell, David Ramsey, Katie Cassidy, Rick Gonzalez, Katherine McNamara, Juliana Harkavy