The four punks in the convenience store are actually 4/5 of the original astrophysics kids in Wet Hot American Summer (2001)
The first character to audition states that he is from Shaker Heights, Ohio, the birthplace of creator/director David Wain.
All of the actors who played the "indoor kids" in the original movie make an appearance as a group of punks.
The song "Corner of the Sky" sung by the boy auditioning for the camp show is from "Pippin" by Stephen Schwartz.
Jackie Brazen ('Weird Al' Yankovic) turns someone into a "constipated wiener dog", a phrase used in Al's song 'Albuquerque'.