Get your Scooby snacks ready–The CW’s hit series Supernatural has announced that one of the episodes during its upcoming 13th season will be an animated crossover starring Scooby-Doo.
At The CW’s 2017 upfronts presentation on Thursday, Supernatural stars Jensen Ackles and Jared Padalecki took the stage to make the announcement.
The image below was shown, but not much else was announced, including when the episode will air and whether the rest of the Scooby gang will be featured in the upcoming episode.
Source: EW
Animation Fascination 
This seems so weird.