The official description for the fifth episode of season four titled “Haunted” has been released, where John Constantine makes his “Arrow” debut!
You can check out the very brief description below:
MATT RYAN REPRISES HIS ROLE AS JOHN CONSTANTINE ON ARROW —
When things take a turn for the worse with Sara (guest star Caity Lotz), Oliver (Stephen Amell) calls in a favor from an old friend who deals in the mystical, John Constantine (guest star Matt Ryan). John Badham directed the episode written by Brian Ford Sullivan & Oscar Balderrama.
“Haunted” is scheduled to air on Wednesday, November 4th.