When Joy opens a secret doorway to the Time Hotel, she discovers danger, dinosaurs and the Doctor. But a deadly plan is unfolding across the earth, just in time for Christmas.

Cast: Ncuti Gatwa, Jonathan Aris, Phil Baxter, Peter Benedict, Nicola Coughlan, Stephanie de Whalley, Joel Fry, Joshua Leese, Fiona Marr, Ell Potter, Liam Prince-Donnelly, Ruchika Rai, Samuel Sherpa-Moore, Niamh Marie Smith, Julia Watson