You've Got Me, Who's Got You? After a vigilante dressed up as a comic book hero is murdered, Holmes and Watson need to find the man's true identity and find his killer. Details Casts Title You've Got Me, Who's Got You? Genres Drama Mystery Crime Release Date 2016-03-20 Episode Runtime 00 Hours 43 Minutes Season Number 4 Episode Number 17 Production Companies Timberman/Beverly Productions, CBS Studios Jonny Lee Miller Sherlock Holmes Lucy Liu Joan Watson Jon Michael Hill Marcus Bell Aidan Quinn Thomas Gregson