Even though they're still experiencing some fallout from "the note" in Miami, nothing can stop the family dinners, G.T.L and gorilla hunting that have bonded them from the beginning. All seven roomies agree they are glad to be back and that Angelina is gone. Too bad none of them know Snooki has invited her BFF Deena Nicole Cortese to fill the void.
The fight between Sammi and Jwoww causes tension in the house. Ronnie and Sammi continue to isolate themselves. When Ronnie finally decides to hang out and have fun with the rest of the house, Sammi feels all alone.
Snooki is bailed out of jail after her incident at the beach. JWoww continues to meet with Roger, and starts to develop feelings for him. At the club, Deena meets Ronnie's "stunt double" but realizes he's in a relationship. JWoww gets into a heated argument with Tom, thus ending their relationship. When JWoww heads to her house with Snooki, she finds that her dogs are alone and some of her things have been stolen.
Snooki's summer of hookups comes back to haunt her. Mike pulls the ultimate prank on Deena and Snooki. But the rest of the guys have the last laugh, ditching Mike for taking too long to get ready for dinner.
Sammi's return to the Shore house leaves Ronnie at a loss for words. Snooki's feelings for Vinny continue to deepen. Mike hooks up with a girl who he's convinced smells like cheese but doesn't realize he's been pranked.
On Jersey Shore: The Reunion, Snooki and Vinny define their relationship, JWoww tells us how she really feels about Roger, Deena clears up some rumors...for the record and Sammi and Ronnie talk about why they just couldn't make it work.