After spending some fish-out-of-water time across the pond in Italy, the "Jersey Shore" gang is heading back to their Seaside Heights stomping ground for the fifth installment of the MTV series, premiering Thursday, January 5, at 10 p.m. ET/PT. And after a quick glimpse at the just-released trailer, it appears as if the GTL crew is ready for tons of partying, booze and, of course, drama.

"Shore" is expected to pick things up where the season-four installment ended, as the eight housemates bid farewell to Florence, Italy, and prepare for their New Jersey return. In the two-minute teaser, the fist-pumping crew toasts to yet another crazy summer and is later greeted to what looks like a surprise welcome-home party. "We're back in our habitat and I'm ready to tear the speakers off this joint," Mike "The Situation" Sorrentino yells. Despite Snooki and Deena's meatball escapades, the usual club dance battles and pranks galore, it isn't all fun times for the gang — especially when Vinny decides to depart the Seaside Heights house.

"This is real. This is a reality right here. Vinny's out of here," Pauly D says during a confessional after his castmate's departure.

As teased during the previous season, the battle between Snooki and the Situation shows no signs of slowing down. With his badgering comments about the pint-size guidette's boyfriend, the Situation doesn't appear apologetic about playing the part of an instigator, saying, "I do have that secret and I'm blowing it wide open." While one scene depicts the two castmates in the middle of a food fight, another scene shows the Snookster swatting a plastic baseball bat at the womanizer.

MTV News caught up with Deena earlier this year, who spoke about her time back in the States. "All of us became so close," she said of their European vacation. "So here, it really was like we were brothers and sisters. You get annoyed with each other, then you're fine. But you'll see, we had a lot of fun in Jersey; we had so much fun. We were home, we were comfortable."

The fifth season of "Jersey Shore" premieres Thursday, January 5, at 10 p.m. ET/PT on MTV. For continuing "Shore" coverage, be sure to check in with MTV's Remote Control blog.