TV drama is full of anachronisms. I was watching an episode of "The Scarlet Pimpernel" (Richard E. Grant as the Pimp), in which Robespierre was talking to a countrywoman in France with a speech which included the word "masochism".

Very odd as Sacher-Masoch, from whom the term "masochism" derives, lived from 1836 – 1895...