"Starring Matt Smith as the Doctor and introducing Jenna-Louise Coleman as Clara, his new companion, this year’s Christmas Special is called The Snowmen and follows their adventures as they battle the villainous Doctor Simeon (Richard E Grant) and his army of sinister snowmen."
Prequel
Trailer
I'm SO excited to get a new companion! Can't wait for Clara/Oswin!
and I'm interested in seeing how Moffat is going to introduce JLC as the new companion