The episode title is a takeoff on the second 'Star Trek' movie, "Wrath of Khan." Khan was originally played by Ricardo Montalban, who provides the voice for Gutierrez.
The gatekeeper at the castle is modeled on the gatekeeper from 'The Wizard of Oz.'
Series writer/voice of Freakazoid Paul Rugg has stated on Twitter that "I've got a bowl! Good for me!" was his favorite ever line from the series.