Pauly D attracts a new admirer, Snooki runs into troubles on her quest for love, and Ronnie finds himself in the middle of another brawl.
The housemates get into two more brawls, Ronnie and Sammi's relationship is tested and The Situation's sister comes to visit.
Snooki recovers from the incident, J-WOWW gets in a fight, Mike, Pauly and Vinnie continue their schemes to hook-up with the ladies and the house finally gets to see DJ Pauly D in action.
The ladies hurt some feelings when Sammi chooses Ronnie over Mike and J-WOWW tells her boyfriend she kissed Pauly.
Pop-Up Video: Jersey Shore" takes a look back to where it all started, popping five of the most talked about Jersey Shore episodes from Season 1.