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.