Scooby-Doo.Mystery.Incorporated.S01E12.Shrieking.Madness.

With Mystery Inc. broken up, the gang decides to check out life after high school and spend a weekend at Darrow College. But things do not go as planned when a strange creature begins terrorizing the campus. The Beast is a fictional character that comes to life - a creation of the author HP Hatecraft, a professor at the college.