David Tennant is playing one of the ghosts in The Catherine Tate Show 'Nan' Christmas Special.
Those two together is comedy gold.
On Christmas Eve, David Tennant is doing the CeeBeebies bedtime hour. He's narrating a story about a little bear that falls down an enchanted snow hole and discovers Santa's grotto!
[By the way, I know a lot of my posts are becoming David Tennant/Doctor Who related, but it's only to be expected what with the upcoming Christmas Doctor Who...]