- Trick-or-treaters dressed as Yoda, Sailor Moon and Batman are visible in the opening shot.
- Klaus initially mistakes the family's costumes of the Scooby-Doo! cast for the cast of The Breakfast Club.
- Jeff had wanted to be Velma and had waxed his legs in preparation.
- One of the tombstones is marked "Murray"; the episode was directed by Shawn Murray.
- Another tombstone is dedicated to Newspaper gags.
- Roger is in London playing Rumpleteazer in Cats. He is also the 5th understudy for Grizabella.
- Jeff is a certified doula.
- Francine is given Topo Chico by both Bullock and Agent Wolfman.
- Bullock imagines himself as Chris Hemsworth, Jason Momoa and Henry Cavill.
- Jeff thinks he looks like Humpty Dumpty.
- Z.O.I.N.C.S: Stands for the Zoroastrian Occult Inter-dimensional and Non-rational Creature Section.
- Bullock also refers to Z.O.I.N.C.S. as a "monster squad", the title of a comedy film about the classic monsters.
- Francine discovers fast food wrappers and loose bullets while searching Stan's desk.
- Jeff finds a photo of some shady characters that turn out to be the family.
- Klaus wins a Jurassic World shot glass on eBay.
- When Jeff mistakes splitting up to search for clues as a breakup with Hayley, he asks if it is alright if he asks Nerfer out.
- Klaus, having forgotten who the monster is, refers to him as "Chainsaw Charlie".
- The gang calls to attention the animation tropes of the period, such as the outlined candle to activate a hidden door and running in place in an attempt to flee, although the latter is blamed on Jackson just mopping the floor.
- Hayley's headband/ascot also reverses color when they initially find signs of the monster, a nod to clothes changing color in Scooby Doo scenes.
- Jeff searches Dr. Ray Petit's office.
- At Danuta's party, Stan reuses his sexy Cowardly Lion costume from "Best Little Horror House in Langley Falls".
- Jeff hates the mailman and Bamm-Bamm Flintstone vitamins.
- In addition to his Sidewinder XL poster, Klaus has a small altar dedicated to Danuta and a huge stack of New Yorker magazines, which he intends to read some day.
- Slimer from Ghostbusters appears in a mugshot in a presentation by Bullock as he reveals his plan.
- The episode's songs are originals performed by Scott Grimes.
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