Sam and Dean Winchester end up in a classic episode of “Scooby-Doo, Where Are You!” in a side-splitting episode called “Scoobynatural” that airs tonight (March 29).

Thanks to a haunted TV, the two “Supernatural” hunters find themselves grappling with ghosts side by side with the Scooby Gang. It’s the classic “spend a night in a haunted house” episode “A Night of Fright is No Delight” from 1970, but now the supernatural happenings aren’t all just smoke and mirrors.

Dean’s such a huge fan of Scooby-Doo, he declares at one point, “I would take a bullet for that dog!” Naturally, he, Scooby and Shaggy bond over their love of eating.

The cast of “Supernatural” recently appeared, along with the Mystery Machine and Dean’s famous Impala, at the Paley Fest in Hollywood.

The current cast for Scooby-Doo, including Frank Welker as Scooby and Fred, voiced the crossover ep.

Watch the trailer below, then tune in tonight on the CW.