Doctor Who Christmas Special Introduces Ncuti Gatwa's Fifteenth Doctor and New Companion

The special, airing on Christmas Day, will address lingering mysteries from the 60th Anniversary Specials and marks the return of showrunner Russell T Davies.

Ncuti Gatwa's Fifteenth Doctor makes his full debut in the Doctor Who Christmas Special 'The Church on Ruby Road', which also introduces new companion Ruby Sunday, played by Millie Gibson.
The Christmas Special is set to address lingering mysteries from the 60th Anniversary Specials, including the fate of the Doctor's old nemesis the Master, who was revealed to be trapped in the Toymaker's gold tooth.
The Christmas Special will air on BBC One and BBC iPlayer at 5:55 pm GMT on Monday, 25 December for UK viewers, and on Disney+ at the same day and time, 12:55 pm EST for those outside of the UK.
Russell T Davies, who revived the series in 2005, has returned as showrunner, and the series is now being distributed by Disney+ and made with Disney money.
The series is set to return in earnest in spring 2024 with Doctor Who series 14.