This episode originally was supposed to show Kathy Bates's character (Ethel) perform a song, with the episode being titled "The Fat Lady Sings". When the scene was cut permanently, the episode was titled "Tupperware Party Massacre".
Penny's (Grace Gummer) father has her tongue bifurcated in an earlier episode. However, when she is talking to her father, her tongue is normal.
Evan Peters plays Jimmy Darling in AHS: Freakshow. His character is based on the real life "Lobster Boy," Grady Stiles Jr..
Frances Conroy (Gloria Mott) and Kathy Bates (Ethel Darling) worked together previously on Six Feet Under (2001), Conroy as part of the main cast, and Bates as director and later guest cast.
The musical theme played throughout Season 4 (Freak Show) is taken from the opening notes of the song "Black Sabbath" by Black Sabbath. It is played an octave or two higher and on violins, however. It is also played during the ending credit sequence of each episode.
Heather Langenkamp: The actress who played Nancy in A Nightmare on Elm Street (1984) appears as one of the women in the Tupperware party.