The Paternoster Gang was a trio of sleuths operating in Edwardian London and comprised the Holmesian detective and Silurian Madame Vastra, her girlfriend and later wife Jenny Flint, and Sontaran butler and demolitions expert, Strax.
The Great Intelligence employs those chaps from Buffy and a Back-To-The-Future letter to lure The Doctor to Trenzalore
Doc investigates trouble at mill and gets marinated by a prehistoric leech in a Yorkshire red light district
Mary Poppins moonlights as Eliza Doolittle and The Great Intelligence feeds countless labourers to his carnivorous snowmen
Just A Quick Pre-Christmas-Special-Christmas-Prequels-May-Christmas Chat