Blue Valley is running a movie called "The Adventures of Mark Merlin". Mark Merlin is a supernatural detective in the DC Universe. He battled Eclipso in one issue of his comic series in the anthology "House of Secrets".
The poster for Royal Wedding (1951) is displayed in the Richie Rock's Diner with Jane Powell's name prominently displayed. Powell died on September 16, 2021, only two days after this episode originally aired.
Isaac Bowin wears the same color scheme as his father the Fiddler did in the comics: a green upper part and a brown lower part.