![Arrow Season 4 Episode 5 Arrow Season 4 Episode 5](https://image.tmdb.org/t/p/w185/jgP3f5jWZFW4pPryf4IfWqVepEp.jpg)
Arrow Season 4 Episode 5
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.
Serie: Arrow
Director: John Badham
Guest Star: Caity Lotz, Echo Kellum, Jimmy Akingbola, Matt Ryan, Parker Young, Ryan Robbins