Christmas special episode insider: behind the effects

Let’s get an inside look at the special effects, and the process behind creating them with Prosthetics Designer Rob Mayor for BBC America.

Part one: “We’ve all got a common affection for the show, which I hope shows through.”

Part two ‘Dream Crabs’: “You’ll see the most Christmassy thing of all are the dream crabs. In the script they’re described as a gelatinous blob with claws.”