Watson | 10pm | CBS

Series premiere: Morris Chestnut stars as Dr. John Watson, who resumes his medical career as the head of a clinic dedicated to treating rare disorders six months after the death of his friend and partner, Sherlock Holmes, at the hands of Moriarty. Watson’s old life isn’t done with him, though: Moriarty and Watson are set to write their own chapter of a story that has fascinated audiences for more than a century.