Blood on Santa’s Claw by Alan Terigo
The Doctor, Peri and Joe land on the planet Naxios, where they discover the body of Father Christmas.
Who killed him? The strange individuals dressed in Shakespearian costume or the talking animals wearing waistcoats digging in the tunnels?
This story is taken from the 2019 festive anthology release Doctor Who: Blood on Santa's Claw and Other Stories.