Well, to be fair, Dean wore an ascot after he and Sam were zapped into a Scooby-Doo cartoon, where they worked alongside Castiel and the Scooby gang to solve a mystery, put a spirit to rest, and just generally, not die. So in other words, it was something the Winchesters had never experienced. And the making of the episode was something series stars Jared Padalecki, Jensen Ackles, and Misha Collins had never experienced when they were asked to head into a recording booth for the animated versions of their characters. And although fans have seen some footage of their time in the booth, there’s more where that came from.