It’s time for BBC viewers to step into the Tardis for a festive adventure through time and space.
The special follows three episodes for the show’s 60th anniversary. David Tennant returned alongside his former companion Donna Noble.
Other cast members included Neil Patrick Harris as the Doctor’s enemy The Toymaker and Miriam Margolyes as the voice of the Meep.
Now Ncuti Gatwa takes over the Tardis as the 15th Doctor for the festive period.
Test your knowledge with our ultimate wibbly wobbly timey wimey quiz.
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Let us know how you did in the comments.
You can also delve into the Whoinverse, where all over 800 episodes of Doctor Who are available on BBC iPlayer.
Every episode of Doctor Who is available on BBC iPlayer in The Whoniverse.
The Whoniverse launched on November 1 and is the dedicated home for all shows within the orbit of Doctor Who.
The first exclusive content to land in the Whoniverse was the Tales of the TARDIS – a brand new six-part series that reunites beloved classic Doctor Who duos.
Doctor Who Christmas special airs at 5.55pm on BBC One on Christmas Day.