During the conversation with the parents, who intend to divorce, Veronica Lodge suggests they turn to a marriage counselor telling her father that he would not be the first mobster to go to a psychologist. It is a clear link to the series "The Sopranos", in which Tony Soprano (James Gabdolfini) is followed by psychologist Jennifer Melfi (Lorraine Bracco).
During the first stakeout by the deputy Serpents, Jughead relates to a guy named Jinx. There was an Archie Comics character named "Lit'l Jinx" which was featured on several series around 1950-1980s. However in the comic books, Jinx was not a young male teenager, but a little 6-year old girl.
The phrase that Hermione Lodge utters in Spanish when hanging up the phone, "Perro pelón", literally means "hairless dog".