Attack of the Headless Horror

"Attack of the Headless Horror" is the twenty-second episode of Scooby-Doo! Mystery Incorporated season one. It aired on June 28, 2011 on Cartoon Network. It was written by Paul Rugg, directed by Victor Cook, and voice directed by Collette Sunderman.

Characters

 * style="background-color:#d2d2ff"|
 * style="background-color:#aaffaa"|
 * style="background-color:#aaffaa"|

Organizations

 * Mystery Incorporated
 * Crystal Cove Police Department

Locations

 * Earth
 * Brazil
 * South America
 * Burial heap of Sklar Gringat
 * United States
 * California
 * Crystal Cove
 * Crystal Cove High School
 * Spartan residence
 * Crystal Cove Hospital
 * Crystal Cove Botanical Gardens
 * England (indirectly mentioned)
 * Oxford (mentioned)
 * University of Oxford (mentioned)

Objects

 * Shrunken head of Sklar Gringat

Vehicles

 * The Mystery Machine
 * Police car

Filming
It was copyrighted in 2011.

Music
The theme song was written and performed by Matthew Sweet. The music was composed by Robert J. Kral, and was edited by Christine Luethje.

Release
Dates are in order of release:


 * Canada: May 15, 2011 on Teletoon
 * United States: June 28, 2011 on Cartoon Network
 * United Kingdom & Ireland: On Boomerang

Everlasting influence

 * Despite making amends, Doctor Spartan and Marion still break up after this by the time the gang sees Doctor Spartan again in "The Devouring."

Marketing and promotion

 * The episode inspired the twenty-second stage of Cartoon Network to update their online game, Scooby-Doo! Mystery Incorporated: Crystal Cove Online, which was updated at the time of the episode's release.

Home availability

 * In the United States:
 * January 24, 2012: Warner Home Video releases Scooby-Doo! Mystery Incorporated: Season One, Part 2: Crystal Cove Curse on DVD.
 * October 8, 2013: Warner Home Video releases Scooby-Doo! Mystery Incorporated: The Complete Season 1 on DVD.
 * In France:
 * October 3, 2012: Warner Home Video releases Scooby-Doo! Mystery Incorporated: The Entirety of Season 1 on DVD.
 * In the United Kingdom & Ireland:
 * August 12, 2013: Warner Home Video releases Scooby-Doo! Mystery Incorporated: Season 1, Part 2 on DVD.