It’s beginning to look a lot like Christmas for “Dr. Who” fans. A trailer for the  show’s Christmas special “The Snowmen” has gone online. Star Matt Smith and series newcomer Jenna-Louise Coleman (pictured above) provide an introduction sure to make “Dr. Who” enthusiasts merry.

The episode is written by executive producer Steve Moffat and costars Neve McIntosh as Silurian Madame Vastra and Catrin Stewart as her sidekick Jenny (I don’t know who any of these people are). “Snowmen” airs on Christmas Day on BBC America.

Peep it: