Pete Davidson's acting debut.
During a scene in where Peralta goes to Holt's office to talk to him, some of the files on the shelf are organised in order to form the LGBTQ flag.
According to the squad these are the best cop movies; Amy: Training Day (2001), Lethal Weapon (1987), and Fargo (1996); Jake: Die Hard (1988); Charles: Turner & Hootch (1989); Rosa: RoboCop (1987); Gina: Bad Boys (1995); Terry: Francois Truffaut's "Breathless (1960)" (however, it was directed by Jean-Luc Godard.
In the opening scene, while discussing their favorite cop movies, Amy states that the best cop movie of all times is Training Day (2001). Terry Crews, who is also in that scene and names Breathless (1960) as his favorite, stars in "Training Day" in a very minor role.
First and only appearance of Charles Boyle's sister, shown only in a flashback to their childhood. She is mentioned in season 2's Chocolate Milk (2014), indicating she survived into adulthood, but is never seen or heard from again.