In the TV movie the Simpsons are watching, the credits list the city "playing" New York as Lethbridge, Alberta, Canada.
Bart's comment about seeing Hunch's butt in the shower is a reference to the (in)famous scene of Denis Franz's rear from 'NYPD Blue.'
Tabitha Vixx is a spoof of Brittany Spears and one of Tabitha's songs spoofs Britney Spears' "Toxic."