The angels are winging their way back to Supernatural as the series approaches the end of season 9.

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Castiel (Misha Collins), Metatron (Curtis Armstrong), and Gadreel (Tahmoh Penikett) are showing up in force for Supernatural's 18th episode, and they all are in for a bumpy ride.

"Metatron, Cas and Gadreel become the central angels at the end of the season and the focus really shifts back to Castiel as our sort of central [angel] -- it's Castiel and Metatron pitted against each other," Collins explained to Huffington Post. "So that swirling mass of d-ck angels coalesces into just two d-cks, Cas and Metatron."

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While everyone's favorite rebel angel is busy ignoring Metatron's attempts to convert him to the scribe's cause, Sam (Jared Padalecki) and Dean (Jensen Ackles) will finally catch up with Penikett's Gadreel during "Meta Fiction."

Based on set photos from YVRShoots, it looks like the Winchester brothers will encounter Sam's former possessor at a shop called Ian's Herbal Remedies. While the photos don't show Penikett's face, his jeans, hood, and leather jacket match Gadreel's outfit to the letter.

Find out more when Supernatural returns to The CW on April 15 with "Meta Fiction." Click the video below to see a preview.