Following the success of last year's New Year Specstacular, Alan Carr is back running riot around Channel 4 HQ welcoming in 2013 with unpredictable madness, party games and special guests including Jonathan Ross, Jack Whitehall, Jimmy Carr, Gok Wan, Melanie Sykes, Christine Bleakley and Rylan Clark. He was on X Factor. Bruno Mars performs live and Alan appears in some tittersome sketches with some other ransomers who drop by to join in.