The scene in which Sikowitz splashes himself during his performance. Is a reference to Shrek 2, where Puss In Boots splashes himself with water in a chair during the final number in the movie.
When the gang (minus Tori and Trina) meet one of the two girls, her name is Hayley. Which is a reference to American Dad, where Stan Smith's oldest daughter is named Hayley.
When the gang (minus Tori and Trina) meet the second girl, her name is Tara. Which is a reference to Chloe's Closet, where one of Chloe's friends is named Tara.