The cast return to the shore for their last summer in the Seaside Heights house in the premiere of the sixth and final season. Mike opens up about his time in rehab and Snooki faces the challenge of being pregnant in a party house.
Snooki moves out of the shore house to be on her own and Deena struggles without her meatball. Mike deals with the downside of his recovery after receiving treatment from a doctor.
Jenni plans a surprise birthday party for Roger that goes south. Deena auditions Danny to be a meatball. The roommates finds themselves in the middle of a big brawl at the club and one of them gets caught in the melee.
Mike adjusts to being in a relationship and gets confused about the rules. Deena goes back to her meatball ways, but has to fight for her right to party.
MVP is back, resulting in a near threesome for Vinny. The gang runs into Angelina at a club. The girls struggle to keep the baby shower a surprise for Nicole, and Vinny is nervous about Jionni seeing him at the party.
Vinny talks to Jionni and they resolve their differences, leaving Vin and Nicole free to resume their friendship. Meanwhile, Mike finally acknowledges the mistakes he made in the past and attempts to make amends with Nicole.
The Meatballs take over the boardwalk and hold auditions to find a temporary party pal for Deena. Mike reveals to the roommates that he used to be a stripper and they coax him into showing his stuff.