The Doctor revisits the Himalayas because he wants to return an ancient relic he was given many centuries ago. On arriving however, the Doctor is blamed for a series of brutal murders in the area.

The Abominable Snowmen is the first Doctor Who story not to feature any traditional incidental music. Instead, we hear quite a lot of monastic chanting, setting the scene for the Detsen monastery.

Doctor Who Christmas Special 2012: The Snowmen I love being part of [Christmas Specials]. Family TV on Christmas day is a great tradition and Doctor Who is at the heart of that." — Matt Smith ...

who controls monsters made of sentient snow. And there is another mystery afoot: Clara is the spitting image of Oswin Oswald, whom the Doctor saw die in the Dalek asylum ...