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.
A dinosaur appears in 1890’s London, and that’s not even the weirdest thing Capaldi must investigate in his debut adventure as the Twelfth Doctor
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
The Centurion returns, River Song drops a massive spoiler and bowties are infinitely preferable to monastic neckties.