Stephen Tobolowsky, who has played Principal Ball in many other episodes, had a minor role in Spaceballs (1987).
The song that Bev is listening to at the end is a version of the show's theme song.
The episode was inspired by an incident when a tweet by the real Adam Goldberg about Dark Helmet was mistaken as an attack on then-President Donald Trump, leading to many of Trump's supporters attempting to have Goldberg cancelled..