When does The Adventures of Sherlock Holmes return?

Of the 60 Holmes stories written by Doyle, 43 were adapted in the series, spanning 36 one-hour episodes and five feature-length specials. The series was broadcast on the ITV network in the UK and starred Jeremy Brett as Holmes. Dr. Watson was played by David Burke in the first series (Adventures) and by Edward Hardwicke from the second series (Return) onwards.