Jersey Shore's fifth season premieres January 5, and MTV released the first trailer today. Mercifully, it appears to be a true return to form. "We're back in our habitat," says The Situation, and like any creature returning to its natural environment, that means it's time for ostentatious mating rituals, violent territorial battles, and the seasonal movement habits of going to and from sources of water. Also, dranks! If even part of this iteration lives up to the promise of "Hurricane Situation ... heading right for Snooki Island," we're all in for a treat. And alcohol poisoning. But ... treat first.