Doctor Who Prequel to The Snowmen: Vastra Investigates
Watch the first prequel here: The Great Detective
Doctor Who: The Snowmen premieres Christmas Day!
UK - 5:15pm on BBC One
Canada - 9E/6P on Space (Canada)
Australia - Boxing Day, Wednesday 26 December 2012 at 7.30pm on ABC1
New Zealand - Boxing Day, Wednesday 26 December 2012 at 8.30pm on Prime
Germany - Wednesday 26 December 2012 (Time TBA) on Fox Germany
Program your alarms accordingly.