Trivia, Quotes, Notes and Allusions
The episode won an Emmy Award for Outstanding Cinematography for a Multi-Camera Series.
International Airdates: United Kingdom: February 14, 2011 on Comedy Central; Sweden: March 14, 2011 on TV6; Slovakia: June 18, 2012 on Markiza
This episode's end titles has Chuck Lorre's Vanity Card #298.
Charlie says the title of this episode.
Charlie comments on using someone's "skin for paper and blood for ink," referring to the manufacture of the Necronomicon in the Evil Dead movie trilogy.