The Parent Rap/DVD features

"The Parent Rap" is included on the The Complete Thirteenth Season.

Commentary
DVD commentary is included on The Complete Thirteenth Season boxset with comments by Matt Groening, Mike Scully, George Meyer, Ian Maxtone-Graham, Matt Selman, Tim Long, Dana Gould, Joel H. Cohen, and Kevin Gould.

Deleted scenes
Deleted scenes are included on The Complete Thirteenth Season boxset. Two hidden deleted scenes are available by selecting the arcade.

Animation Showcase
An animation showcase with storyboards or animatics as picture-in-picture is included on The Complete Thirteenth Season boxset.