A Supernatural prequel series is on the way.

According to Deadline, The Winchesters -- a Supernatural prequel focusing on Sam and Dean Winchester's parents -- is currently in development at The CW with a script commitment. Supernatural co-lead Jensen Ackles is set to reprise his role as Dean, who will serve as the prequel series' narrator.

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The Winchesters is executive produced by Jensen and Danneel Ackles (the latter of whom was also a recurring guest star on Supernatural) through their production company, Chaos Machine Productions, which entered an overall deal with Warner Bros. Television Group late last year. The prequel is written by another Supernatural alum, Robbie Thompson, who will also executive produce alongside the Ackleses.

Told from Dean's perspective, The Winchesters centers on the "epic, untold love story" of how John Winchester met his wife to be, Mary Campbell, and how the two "put it all on the line to not only save their love, but the entire world." In Supernatural, John and Mary Winchester were played by Jeffrey Dean Morgan and Samantha Smith, respectively. Additionally, Matt Cohen played a younger version of John, while Amy Gumenick played a young Mary. That said, casting information for The Winchesters is not currently available.

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"After Supernatural wrapped its 15th season, we knew it wasn't over. Because like we say in the show, 'nothing ever really ends, does it?'," said Ackles. "When Danneel and I formed Chaos Machine Productions, we knew the first story we wanted to tell was the story of John and Mary Winchester, or rather the Supernatural origin story. I always felt like my character, Dean, would have wanted to know more about his parents' relationship and how it came to be. So I love the thought of having him take us on this journey."

Created by Eric Kripke (The Boys), Supernatural originally premiered on The WB (which would later become The CW) in 2005. Starring Ackles and Jared Padalecki as demon-hunting brothers Dean and Sam Winchester, the series ran for 15 seasons, concluding its 327-episode run late last year. Should The Winchesters be ordered to series, both Ackles and Padalecki will officially be back at The CW, with the latter currently starring on the network's Walker reboot.

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Source: Deadline