Nick Frost joins Peter Capaldi when he appears in Doctor Who as Santa Claus.

The Cybermen descend onto the streets of London on the season finale of Doctor Who. "Death in Heaven" is the 12th episode of the show's eighth season.

Missy and the Doctor are about to come face to face on Doctor Who. "Dark Water" is the 11th episode of the show's eighth season.

London and turns into a forest overnight on Doctor Who. "In the Forest of the Night" is the tenth episode of the show's eighth season.

Clara tries to help when the Doctor is trapped on Doctor Who. "Flatline" is the ninth episode of the show's eighth season.

A mummy causes havoc for everyone on board the famous train on Doctor Who. "Mummy on the Orient Express" is the eighth episode of the show's eighth season.

This is another portrait of Peter Capaldi from "Time Heist."

The group sometime before or after the "Time Heist."

The Doctor does like circles this season. Is he on the TARDIS?

Pulling off a big heist? Sure, with a little help.

This is a pretty cool security guy from "Time Heist."

This photo shows the big bad in chains. Must be good news, right?