The CW has released a batch of preview photos ahead of next week's episode of Arrow, titled "Haunted."

In the episode, Matt Ryan returns to reprise his role as John Constantine, establishing that the cancelled-too-soon NBC series is now a part of the Arrowverse.

You can check out the official episode synopsis and photos below. Arrow airs tonight and every Wednesday night at 8 p.m. ET/PT on The CW.

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 (#404). Original airdate 11/4/2015.