In this cover, the Archies still consist of only Archie, Reggie and Jughead. Even after the cartoon series added Betty and Veronica to the band, many stories and covers kept the older configuration due to the long lead time before publication.
This story features the more familiar Archies membership with all five main characters.
In the shower, Archie is singing "You're Gonna Hear From Me" by Andre and Dory Previn, from the film INSIDE DAISY CLOVER.
Though Hot Dog acts throughout the story like he's Archie's dog, a line is added about Jughead asking Archie to watch him. This reflects the fact that Hot Dog was originally Archie's dog and became Jughead's.
The boy at the bulletin board in the splash panel appears to be a caricature of Lucey's colleague Dan DeCarlo.