Documentaries always seem to take a break at Christmas, but this year there are two very special ones.
A Year in the Life... JK Rowling
The notoriously private author allowed cameras to follow her for an entire year while she completed work on the final Harry Potter book. (ITV1)
Monarchy by David Starkey
Concluding the landmark series on Britain's rulers, Starkey takes us from Queen Victoria to Queen Elizabeth II. (Channel 4)