After setting up the Time Hotel the Doctor is staying at—a business of myriad gateways currently set to send guests to every Christmas in history—we’re quickly whisked through a bunch of those doorways as he follows a strange suitcase hopping between handcuffed,

Filming that scene in the room that’s from millions of years ago was Coughlan’s favorite, she tells TV Insider. “It had a little bit of everything. You got that emotional moment and then you have the dinosaur and the escape, and I loved all of that,” she shares. “It’s such a fond memory.”

The following contains spoilers from the Doctor Who holiday special Joy to the World, now streaming on Disney+. There have been many Doctor Who Christmas specials, but never one quite like Joy to the World,

One of the great ironies of Doctor Who is that the one episode that most people tend to watch – the big, broad appeal Christmas special – is often the least inspiring. I am still haunted by the year,