"Davros wants to join in Christmas. So there!"
It's Christmas, again, and the Doctor has decided to outdo himself. Not content with chorusing Cybermen and walking through a winter wonderland, he's organised a party, and everyone's invited. Everyone he's ever met or travelled with, including many of his other selves.
Everyone's invited – except one.
Yet another special Christmas musical adventure, featuring the Doctor and Davros, this story takes place sometime after A Cause For Carolling