Chanel #3 mentions her mom "is crazy because she thinks aliens are talking to her". Billie Lourd (who plays Chanel #3) is the daughter of Carrie Fisher who played Princess Leia in Star Wars: Episode IV - A New Hope (1977).
At the beginning of the episode, Emma Roberts (Chanel No. 1) and Abigail Breslin (Chanel No. 5) are in the meat locker discussing what happened to Chanel No. 2's body. During the exchange, Abigail is wearing jeweled cat ears. Ariana Grande who plays Chanel No. 2, often wears cat ears during concert performances.
The course names for Mandy Greenwell's (Jennifer Aspen) classes are:
Intro to English: Holding a Pen
Intro to History: Lots of War
Intro to Math: High School TBC
Intro to English II: Grammar?
Intro to Art History: Who was the Best Painter?
Creative Writing: Reading from Your Journal
Typing: Where to Put Your Hands
Intro to Science: Animals and Plants
Math: Numbers Are Your Friends
Studio Art: Basket Weaving
English: Russian Poetry and Existential Motifs
History: It was Probably the White Folks
Studio Art: Needlepoint
English: Lyrics, a Critical Reading
Art History: Is This Art?
English: Obscure Shakespeare
History: Doomed to Repeat Ourselves
Art History: Art, Craft or Design?
English: E-Mail, It is Gonna Be Big
Studio Art: Slip Casting Mythical Creatures
The song "Que Sera Sera" by Pink Martini plays in this episode. The song was used for commercials of American Horror Story (2011): Asylum which, though she did not appear in that season, Emma Roberts would later appear on Coven, Freak Show, and Hotel, all of which are also creations by Ryan Murphy.