The ferris wheel at the carnival plays the same tune heard throughout the first season.
After hearing her announcement at the carnival, Noah (John Karna) refers to Carrie Lazar's character as Miss Buckley. Betty Buckley played Miss Collins (the gym teacher) in Carrie (1976) and played Margaret White (Carrie's mother) in the 1988 Broadway musical Carrie.
Ed Gein was not a serial killer. This episode erroneously stated that he was a serial killer. He only killed 2 people and dug up corpses and mutilated them. In order to be considered a serial killer is someone who murders 3 or more people over a period of more than a month.