The Shrieking Madness

The Shrieking Madness is the twelfth episode of Scooby-Doo! Mystery Incorporated which originally aired on October 18, 2010. Written by Adam Beechen and directed by Victor Cook.

Premise
Mystery Incorporated has split up, but the gang all ends up at Darrow University for various reasons, where book-monster Char Gar Gothakon has come to life and is terrorizing the campus.

Cast and Characters

 * Frank Welker as Scooby-Doo, Fred Jones, Jr., Barty Blake, and Char Gar Gothakon
 * Matthew Lillard as Shaggy Rogers
 * Grey DeLisle as Daphne Blake
 * Mindy Cohn as Velma Dinkley
 * Gary Cole as Fred Jones, Sr.
 * Casey Kasem as Colton Rogers
 * Harlan Ellison as Himself
 * Jeffrey Combs as H.P. Hatecraft
 * Crispin Freeman as Howard E. Roberts

Villains

 * Char Gar Gothakon

Suspects

 * H.P. Hatecraft

Culprits

 * Howard E. Roberts

Notes/Trivia

 * UK premiere date: November 21, 2010.
 * Casey Kasem, who used to play the original Shaggy, plays his father in this episode. Mr. Kasem is a strict vegetarian and had suggested Shaggy should be a vegetarian as well. In this episode however, when this version of Shaggy is forced to eat vegan he doesn't like it at all.
 * The name "H.P. Hatecraft" is a play on the name H.P. Lovecraft, a horror writer famous for this type of monster.
 * Harlan Ellison appears as himself in this episode.
 * The episode title may be a reference to In the Mouth of Madness, a film in which Lovecraftian horrors come to life out of books.