Cast and crew members later recalled that Kim Manners began giving orders to the roaches. Cinematographer John S. Bartley explained, "When I saw Kim Manners talking to a bucket of cockroaches, that was a highlight for me."
At the grocery-store riot, a sailor in classic Navy uniform grabs a bunch of chocolate and pantyhose, two things that were heavily rationed during WWII.
'Frass' is the specific term for insect poop, which makes Sheriff Frass's name all the more amusing.
The TV news reporter's name at the 21:50 mark is "Skye Leikin." This is a reference to X-Files fan Leikin Skye, who won a contest. The prize for winning was having his name mentioned on the show.
The stoners, played by Tyler Labine and Nicole Parker, would reappear later in the season in Quagmire (1996), and two decades later in Mulder & Scully Meet the Were-Monster (2016).