Killer Christmas tree! Blood control! Robot Santas! Dave, along with Nathan and Joe, crash at the Powell Estate at Christmas. What will they make of Klingon aliens, magnificent Jackie and a showdown on defending Earth?

Knock Knock (With Jim Allenby)

Join Dave and guests on a random trip through all The Doctor's adventures in time and space! Using 'The randomiser' each time where will the TARDIS take us next?