Entertainment Weekly has released a sneak preview for an upcoming episode of Supernatural which has its' main characters Sam and Dean finding themselves meeting Mystery, Inc in an episode inspired by "A Night of Fright is no Delight".
The 13th season episode "ScoobyNatural" will air March 29th on The CW, and is a unique crossover for the series which with a content rating of TV-14 is mostly known for plots involving demon-hunting and angelic encounters among other things that seem out of Scooby Apocalypse.
One of the writers says that "It gets pretty dark, there are things you wouldn't see in a regular Scooby-Doo cartoon".