Vastra Investigates.

TV Another tease. Spin-off. Please. Vasta Investigates is really an extended sketch rather explaining how humans when faced with the most extraordinary events and unalike people will largely processes it just as Douglas Adams predicted when writing about the Somebody Else's Problem condition in his novel Life, The Universe and Everything. When confronted with something which doesn't quite match the expected context, a person will simply block it out just as the police officer here, even after being told the truth of Vastra and Strax's existence, merely puts it to one side in the end because it's easier.