BBC has released a new trailer for the Doctor Who: The Snowmen 2012 Christmas Special earlier today. This year’s Christmas special features The Doctor and his new companion Clara, as they face off against the sinister Doctor Simeon and an army of snowmen! A little bonus for LoTR and X-Men fans, Sir Ian McKellen is the voice of the Snowmen. You can check out the latest trailer below and be sure to watch. or set your DVRs for Christmas day at 9pm EST/8pm CST on BBC America.