Doctor Who: Unleashed S00 E06 Christmas Special - Joy to the World

"Go behind the scenes of the Time Lord's adventures."

We're walking in a Whovian wonderland! Steffan Powell is on set with Nicola Coughlan and Ncuti Gatwa as they film this year's Christmas special. Steven Moffat tells us what it takes to write a festive episode, and Steff gets a prosthetics makeover.