His comments to TVLine prove that he’s on board with the direction his successors at Supernatural have explored in the years since he left, which probably shouldn’t come as a surprise.
Eric Kripke left Supernatural as showrunner following the end of the fifth season, but he clearly still has connections to the Supernatural team that he got to see the animated portions of the Scooby-Doo crossover episode — fittingly titled “ScoobyNatural” — before it hits the airwaves.
A man who created a show like Supernatural (and has gone on to create a time-travel series like Timeless) is bound to have a grand scope of imagination, and what could be more imaginative for Supernatural than an episode that literally animates its three main characters and teams them up with the sleuths of Scooby-Doo?