"P/R" is first responder jargon for "Person Reporting," or the person who filed a complaint.
In the scene where the tapeworm is being pulled from the patient, the background music is Shelley Duvall singing "He Needs Me" from the Popeye soundtrack.
The subtitle of the episode "Creepy AF", is known in full as "Creepy As Fuck".
During the scene where Buck was helping the little girl out of the claw machine, one of the stuffed animal plushes in the machine was a Foxy plushy from the Five Nights at Freddy's video game series.
Sean Maher (Paul) played Dr. Simon Tam on Firefly (2002-2003), which Tim Minear wrote 4 episodes and directed 2. Tim Minear, co-wrote and co-created this show.