Trilogy of Error/DVD features

"Trilogy of Error" is included on the The Complete Twelfth Season.

Commentary
DVD commentary is included on The Complete Twelfth Season boxset with comments by Matt Groening, Mike Scully, Al Jean, Ian Maxtone-Graham, Rob LaZebnik, Matt Selman, Tim Long, Max Pross, David Mirkin, and Mike B. Anderson.

Deleted scenes
Deleted scenes are included on The Complete Twelfth Season boxset.