While the students spend the episode speculating on various wild theories (like André's theory that Trina is a secret pop star), the actual reason is revealed by Sikowitz at the end of the episode:
Aside from the mystery of Trina's admission, the episode features several notable moments:
: Tori and Robbie find themselves working at Nozu, the local sushi restaurant, to pay off a massive bill. They are forced to perform the "Squid Chopping Song" while preparing food.
: During Trina’s audition, a student named Sinjin got his head stuck in a soda machine. All the other faculty members ran to help him.