Doctor Who: Jodie Whittaker’s regeneration reveals a new Doctor
Warning: This article contains spoilers
David Tennant has made a surprise appearance in Jodie Whittaker's final Doctor Who story.
Whittaker unexpectedly regenerated into Tennant at the end of the 90-minute special The Power of the Doctor.
The BBC has confirmed that the popular actor, who previously played the role between 2005 and 2010, has officially returned as the 14th Doctor.
Tennant told BBC News: "What a lovely, lovely thing to get to revisit something that was such a wonderful, happy, significant time in my life."
It was announced earlier this year that the actor had been filming scenes for the sci-fi drama's 60th anniversary.
Now it's been confirmed that he's playing more than a brief cameo, and that he's taken...