Arrow actor Stephen Amell has reiterated his interest in doing a crossover episode with Supernatural, saying that the ball is now in Jared Padalecki and Jensen Ackles' court. Supernatural is the last remaining series on The CW leftover from when the network used to be The WB. Although Arrow may have spawned three more superhero shows for the network - Supergirl, The Flash, and Legends of TomorrowSupernatural still reigns as the longest running series The CW has ever had, going on an impressive 13 seasons.

Although some of the shows on The CW have spawned spinoffs, that's one field Supernatural has struggled with over the years. However, they are giving the spinoff trend another shot later this year with Wayward Sisters, starring Kim Rhodes as Sheriff Jody Mills. In addition to shooting a backdoor pilot for the upcoming spinoff, Supernatural's 13th season will also feature a crossover episode with the iconic animated franchise, Scooby-Doo. If everyone involved with Supernatural, including the upper echelon at the network, are up for crossing over with Scooby-Doo, surely there must be interest in the Winchesters visiting the Arrowverse?

Ever since Arrow hit small screens five years ago, the show's actors have expressed interest in the series (or franchise) crossing over with other DC Comics shows - even with productions that aren't on The CW, such as Gotham - though crossovers don't always work out. Still, it should be relatively easy making an episode work between Arrow and Supernatural, which is clearly something that Stephen Amell wants, and it sounds like he's just waiting on the folks at Supernatural for the go-ahead. Here's what he told his fans on Facebook when asked about the potential of an Arrow/Supernatural crossover:

“I mean, that's really up to Jensen and Jared. I heard that they're getting a spin-off which is exciting but as the much, much more senior members of the CW family, it really would be about finding a moment in their schedule to make all the fans happy. I'm totally up for it. I'm not trying to pass the buck, but the buck is now sitting at their feet.”

Arrow Constantine and Supernatural

Aside from fan service, there aren't many storytelling benefits in crossing over with Supernatural. In fact, it would only open a can of worms regarding their respective universes. Still, the network is no stranger to crossovers, considering that they host an annual week of crossover episodes between each of their superhero shows.

Unfortunately, crossing over makes little sense when considering the vastly different worlds each show inhabits. However, it wouldn't be the first time that someone from the network's Arrowverse has traveled to another section of the multiverse (we're looking at you guys, Team Flash). Then again, it wouldn't be the first time that the Winchester brothers found themselves in another reality (or time period). Since Arrow has already dabbled with supernatural forces, it's not too difficult to imagine that show and Supernatural crossing over, though how exactly that happens in another question entirely.

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Source: Stephen Amell