Summer at the Jersey Shore kicks off when eight soon-to-be roommates move into their summer share. Romance heats up between Sammy and Mike, but all might be lost when the guys invite three random girls to join them in the hot tub. Meanwhile, Snookie comes on way too strong, and finds herself the outcast. She can only hope that first impressions won't be lasting impressions.

Still feeling like the outcast, Snookie tells the others that she's leaving the Shore. And the roommates' first night out at the club gets flirty, proving that the boyfriends back home might, in fact, have something to worry about. And what started with Mike and Sammy turns into a love triangle that threatens to divide the house.

Mike has trouble accepting the fact that Sammi chose Ronnie over him. Angelina decides she's too good to work at the Shore Store and Danny fires her, which means she's no longer allowed at the house and has to leave the show. And Jenni's boyfriend comes for a visit but she waits before telling him about kissing Pauly.

After a night at the clubs, and "beating the beat", Pauly and Mike have to juggle multiple groups of girls. Pauly takes a grenade for The Situation. Snooki's mother comes in for a visit, and an emotional Snooki shows her "true colors" And later that night mayhem breaks out when a fight erupts at a bar, and one of the housemates goes down.

With the support from most of her housemates, Snooki recovers from the punch. Ronnie's family comes for a visit and Sammi does her best to make a good first impression. J-WOWW gets tired of all the haters at the club and gets in a fight. Mike, Pauly and Vinny continue their schemes to hook-up with as many girls as possible, but Vinny may have crossed a line when he takes the boss' girl home

When Mike invites girls back to the house, the situation gets out of control, and Snooki gets into her second fight of the summer. Meanwhile Ronnie gets into a brawl of his own, leaving Sammi questioning their relationship

The roommates head to Atlantic City where fun turn to fury when Mike manages to antagonize both Snooki and J-WOWW. And one roommate reveals that she used to have an eating disorder.

The summer's winding down but the drama doesn't stop. Pauly's got a stalker and a fight lands another roommate in jail.

The roommates say good-bye to the Jersey Shore as Season 1 comes to a close.

The cast heads to Miami in the season 2 opener, and the drama quickly heats up when Angelina crashes the party. Meanwhile, Ronnie and Sammi, find themselves in an awkward situation after their recent break-up.

Sammi tries to figure out what Ronnie really did at the club the night before, but no one is saying. And when Angelina interrupts Pauly's game, we see a whole new side of the usually calm Pauly D.

Angelina swallows her pride and apologizes to the girls. Back at the house, The Situation, Vinny and Pauly D have a close encounter with grenades in the hot tub, while Ronnie continues to creep behind Sammi's back.

The ladies feel guilty about keeping Sammi in the dark about Ronnie's bad behavior, so they decide to write an "anonymous" letter to her, revealing the entire truth.

Sammi finds the "anonymous" letter from the girls and once again decides she's done with Ronnie. Meanwhile, Mike, Vinny and Pauly try to juggle four girls in one night.

The anonymous note causes tension between the girls, culminating in a full-blown cat fight. After spending another night in bed with Vinny, Snooki reveals a not-so-little known fact about her pinkeye-prone cuddle buddy.

The roommates deal with fallout from the girls' fight; Angelina starts dating Jose, a guy from the club; and Jenni and Snooki don homemade HazMat suits to clean up the Smush Room in preparation for Snooki's hook-up.

Word gets out that Vinny and Angelina hooked up, and Mike threatens to let Angelina's new beau in on the secret. Meanwhile, Vinny's family comes to visit, and later, Pauly and Vinny fall for the same girl

Things go south for Angelina when the house learns she slept with Jose after smushing Vinny. Then she gets too close to a guy Snooki hooked up with. But it's the last straw when The Situation discovers more unpleasantness in the bathroom.

The Situation reunites with his Canadian hottie, providing entertainment for the whole house. And Angelina tells her roommates how she really feels about them, sending Snooki into a frenzy and finally pushing things over the edge.

Snooki and J-Woww decide to make amends with Sam; Vinny pursues two groups of girls; Mike's antics annoy Snooki.

Mike gets on everyone's last nerve after his obnoxious antics get them all kicked out of a club. Even Pauly is frustrated after Mike proves twice that he's a failure as a wingman.

The roommates say goodbye to Miami and head home in the Season 2 finale.

New roommate Deena moves into the house and is confronted with hostile reactions from some of the roommates. The house gets off to an interesting start when Snooki confronts Vinny about him and her best friend Ryder and Deena "accidentally" gets naked in front of Mike. Leftover tension from Miami spills over to Seaside Heights when unresolved issues among the girls explode on the first night.

The fight between Sammi and JWoww causes additional tension in the house. Ronnie and Sammi continue to isolate themselves, missing the first family dinner, to the surprise and disappointment of all the roommates. Mike lets Ronnie know about the general feeling at the house. Ronnie decides to hang out and have fun with the rest of the house, leaving Sammi feeling all alone and reminiscent of Miami.

Sammi sets out to make amends with Snooki and Deena. A night in the club turns romantic for Jenni when she runs into a old flame named Roger, who may or may not have a girlfriend. Deena gets kicked out within the first five minutes for being too drunk. Mike meets one of the girls he hooked up with last year named Paula and Pauly's stalker returns and throws a drink at him. The next day Snooki is extremely hung over and has to go to work. After sneaking a couple of drinks she runs off drinking more and more. After a huge crowd appears to watch her creating a scene Snooki is arrested.

Snooki is released from jail but faces her father's voice on the phone which isn't happy. Jenni continues to meet with Roger and quickly grows feelings for him. Tom continues to call the house and cause problems with Jenni escalating into a heated arguement on the phone and a destroyed relationship. Snooki is lifted from her depressed state after she meets Nick who she hooks up with. Deena meets a Ronnie look-alike only to find out that he has a girlfriend. Later, Jenni has to return to her home because Tom left leaving her dogs to die. She and Snooki leave the Shore and reach home within 9 hours to find her dogs fortunately safe but her most important items including a hardrive stolen.

Snooki's friend Ryder stops by for a visit and lucky enough its her birthday. Snooki and Jenni return to Jersey with Jenni's dogs who are welcomed at the house by everyone. Sammi and Ronnie's relationship continues to strain and after a heated argument after the club, Ronnie throws all her stuff around the room and tells her to leave. Ronnie starts to second guess himself. Jenni comforts him and they bury the hatchet from Miami. Mike brings home a girl, but her friend is wandering down the house so Vinny pulls out the Grenade Whistle to warn Mike. Vinnys girl's family comes to pick her up which make Vinny uncomfortable. Jenni gives Ronnie a hug which is caught by Sammi. Sammi loses it and thinks she is all alone in the shore house. As a response to the newfound friendship between Ronnie and Jenni, she punches Ronnie in the face. She quickly plans to leave but with the help of everyone she apoligizes to Ronnie and stays. Jenni and Roger continue to date and also Deena and Dean, but Mike finds out a dirty secret which ends their relationship. Also Snooki and Vinny buy a stripper pole for the house and Sammi and Jenni make up and become friends again.

Snooki meets a guy, but he may or may not be engaged. Pauly D. makes peace with an old enemy; and Ronnie's hard partying takes a toll on his relationship.

Ronnie and Sam end their tumultuous relationship with a nasty breakup that prompts Ronnie to destroy all of Sam's belongings. Later, she considers leaving the shore for good.

After Sammi leaves the house, Ronnie is an emotional wreck. With the girls taking Sammi's side and the guys not knowing how to cheer him up, Ronnie feels like he has no friends left in the house. Meanwhile, The Situation tries to hook up with Pauly D's ex-girlfriend.

Snooki's hook-ups haunt her; Mike pranks Deena and Snooki; the guys ditch Mike.

Sammi returns to the house; Snooki's feelings for Vinny deepen; Mike believes a hook-up smells like cheese.

Vinny and Pauly D take a road trip to Staten Island. Roger becomes more than just a rebound for JWOWW. The Situation reveals Sammi's shady ways, causing Ronnie to question his love for her.

The Situation continues to instigate drama between Ronnie and Sammi, and Snooki has a falling out with Vinny.

The roommates say goodbye to another summer at the Jersey Shore. While one couple reaches a crossroads in their relationship, another couple makes it official.

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.

The roommates return from Italy and couldn't be more excited to get back to the Jersey Shore. But a drama storm is brewing as The Situation threatens to destroy Snooki's relationship with Jionni.

Vinny considers leaving the Shore; Snookie fights with Jionni.

The roommates try to adjust to life without Vinny; Mike confronts his demons; Pauly celebrates his birthday.

Mike returns and learns about Danny’s threat to find new tenants; the girls hire X-rated entertainment for Pauly and Mike’s birthday party; the gang heads to Staten Island in hopes of persuading Vinny to come back to the shore.

Vinny returns and everyone celebrates. The Situation tries hard to be nice but ends up annoying the boys. Snooki struggles with an uncomfortable condition.

The Situation secretly gathers information to bring down one of his roommates -- and for once it isn't Snooki. JWOWW freaks out when Roger disappears and doesn't return her calls.

All of the roommates are focused on courting their current flames, but there is never peace in the house. One of the roommates causes drama with Snooki and Deena, while JWOWW's skimpy outfit creates a problem for Roger.

J-Woww confronts Pauly's stalker; Snooki's boyfriend denies her affections, prompting her to pursue Vinny; the roommates go fishing despite their fears of a shark attack.

Mike decides to reveal the truth; Pauly, Vinny and Deena struggle to be single roommates.

A huge fight breaks out after Mike tells Jionni he hooked up with Snooki; Deena faces a difficult truth about Joey; some of the roommates go camping while Pauly and Vinny pull off a big prank.

Another summer in Seaside Heights comes to a close as Hurricane Irene batters the East Coast in the Season 5 finale. As the gang prepares to leave, Mike continues to cause trouble by starting a rumor about Deena's sister, while Pauly and Vinny pull one more prank on the roommates.

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.

Deena copes with being away from her boyfriend; Snooki makes a shocking announcement.

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.

Jenni's injury is examined; Mike considers taking his relationship with Paula to the next level.

Jenni fears that her relationship with Roger is in jeopardy; Mike has second thoughts about his relationship with Paula.

Mike is confused by relationship rules; Deena goes back to her meatball ways.

Sammi confronts Deena about her antics; Mike and the roommates learn about Paula's wild side.

Jenni plans a shower for Snooki; the guys support Mike's decision to break up with Paula.

The Meatballs reconnect; the house discusses Jionni's failings as a father; Vinny nearly has a threesome; Vinny is nervous about Jionni's reaction.

Vinny and Jionni resolve their differences; Mike acknowledges his past mistakes and attempts to make amends.

The roommates hold auditions for a temporary party pal for Deena; Mike reveals he used to be a stripper.

The roommates' final summer in Seaside Heights comes to a close in the series finale.