Season 4

The housemates pack up their hair extensions and Shore Store T-shirts and jet off to Italy for a European adventure. But, the culture shock that awaits them is nothing compared to their shocking adventure.

Ron and Sammi try to work on their friendship, but prove that old habits die hard. Also, Mike tries taking his friendship with Snooki to the next level, while Pauly and Deena consider doing the same.

With twins in the mix, it's double trouble as bi-curious Deena pulls the robbery on both The Situation AND Vinny. Plus, The Situation's "secret hook-up" with Snooki is revealed. Is Snooki a cheater or is The Situation just trying to start drama?

The boys harass Deena for stealing a girl from Vinny's bed, leading her to anxiety and self-doubt about her relationship with the roommates. Ronnie and Sammi are back to their old ways, but this time The Situation is involved in their drama.

The Situation gets knocked out during a fight and Ronnie and Sammi wonder if their relationship is beyond repair.

Pauly and Vinny put on a "guido-theme" comedy show; Snooki becomes so distraught over her relationship woes that the girls decide to intervene; Ron and Sam try to patch things up once again.

Snooki and Deena party too hard; Team Meatballs have a run-in with the Italian police.

Snooki and Deena are released from the police station after their accident. Later, Snooki's boyfriend Jionni visits, but their romantic reunion comes to an abrupt halt, and a sobbing Snooki ends the night alone on the streets of Florence.

Snooki is devastated over her big fight with Jionni, and decides to take a break from the relationship. Mike thinks it's finally his chance to win her over, but it's someone else who ends up comforting her. Meanwhile, Deena has a pregnancy scare.

The boys visit Vinny's family in Sicily, while the girls head to Tuscany for a wine tour. Later, Snooki learns the truth about her and Vinny's hookup, and she decides to come clean to Jionni.

Deena once again is on the prowl for Pauly D. The Situation continues to instigate drama in the house and everyone turns on him and later in a club Team Meatballs are not treated well again and end up getting into another brawl.

The roommates leave Italy and return to New Jersey.