The Edgar Allan Poe invited to dinner by Zelda and Hilda is portrayed by actor Edgar Allan Poe IV, an actual descendant of legendary writer and poet Edgar Allan Poe.
First appearance of the character Josh.
The title of this episode "Episode LXXXI" in Roman numerals is actually the number of episodes that have been filmed, including this one. I.e LXXXI = 81
The title of the episode is a reference to the movie Star Wars: Episode I - The Phantom Menace (1999), which was released five months earlier in May.
In the original broadcast "Larger than Life" by the Backstreet Boys played over the zombies invading the coffee shop. This was replaced in the DVD and streaming versions.