The Jersey Shore cast returns to Seaside Heights, N.J., for a new season of insanity kicking off January 6. But while the surroundings are familiar, the dynamic has changed.

It's not just one big happy family anymore, Vinny opines. Was it ever? Who the heck knows. But he, Snooki, Sammi, JWoww & Co. are gonna bring the CRAZY next month.

This brief promo should give you an indication of what's to come:

Follow this link for a ton of Jersey Shore Season 3 clips, including the introduction of a newer, trashier cast member, Snooki's daytime beach arrest, vintage Situation lines and more!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.