The Situation forgets the plan at dinner, and then forgets he's on a TV show. And a text from back home rattles the roommates and threatens to blow the whole vacation up.
Pauly scrambles to get Deena and Angelina on board with a family dinner before Nikki arrives. But a mob of raccoons almost foils his plan. Meanwhile, back in Jersey, Jenni is having some major FOMO.
Nikki comes to dinner, Pauly gives Nikki a list of trigger words to avoid setting off Angelina and Deena, Vinny slips up, and Angelina and Deena finally talk after the wedding speech fiasco.
JWOWW and Angelina put the A in awkward at family dinner. Afterwards, the guys are at a loss so Ronnie calls in a favor from Dr. Drew to see if he can help bring the family back together.
Dr. Drew helps mediate the conflict between Angelina and Jenni. And a messy situation is about to get messier when Deena learns her private conversation with Mike wasn't so private. Mike and Lauren get the best news of their lives.
Angelina and Chris's wedding dinner takes a racy turn, Vinny wears something old to deliver his speech, and Mike and Lauren keep their pregnancy news under wraps until after the reception.
The gang is back together and big changes are in the air. Pauly D has a new look, Vinny is looking for a new home, and when social media explodes with rumors about Angelina & Chris's marriage, Mike takes on a new alter ego -The Investigation.
Mike and Jenni step up to help when Angelina's relationship goes south, the family celebrates five years of a sober Situation, and a special guest surprises everyone.
Deena sets up a family trip to the Poconos, Nicole makes amends while still stirring the pot, and rumors swirling around Angelina threaten the group's vacation.
Jenni has a huge announcement. But before the celebration can begin, the roommates must deal with the elephant in the room currently casting a rather large shadow over their Poconos vacation - videos of Angelina and her mystery man in Old Bridge, NJ.
Vinny tries his hardest to get on Angelina's nerves, Zack prepares the guys for a round of guido-mania wrestling, and a surprise guest is called in to play announcer at the big match.
The ladies sit down to enjoy a night of Guido Mania wrestling, Angelina sticks it out to win her bet with Jenni, and Ron's girlfriend Saffire finally meets the family.
The girls get to know Ronnie's girlfriend, the couples face off in the first annual Bae Game, Vinny's reunited with a long lost love, and a Jersey Shore family fun day is about to take a turn when The Investigation returns.
Mike shows Angelina the results of his investigation, Vinny plans a talent show, and Deena kicks off Jenni's birthday celebration, with a surprise appearance from Nicole.
There's a Snooki on the loose, a couple of guidos going down in cardboard boats, and Angelina is about to make a speech. Jwoww's birthday celebration is in full effect!
Jwoww's birthday celebration is on the verge of going off the rails when Snooki's alter ego Dren RSVPs. Vinny hosts the he first, and possibly the last, Annual Jersey Shore Poconos Talent Show, and tension brews between Dren and Angelina.
A beef between the roomies is upstaged only by an unforgettable talent show hosted by Vinny Guadagnino, featuring an out of this world performance by Snooki, and a speech from Angelina that gives new meaning to the word "bombing."
With the trip coming to an end, Snooki's left to clean up the mess made by Dren. meanwhile, Mike plans a second gender reveal even though everyone knows he's having a boy.
After a whirlwind season in the Pocono Mountains, the ladies of jersey Shore get together for a meatball day where they celebrate all things Season 4 with a drink or two...or ten.
