Watch The Adventure of Sherlock Holmes' Smarter Brother (1975) (1975) HD Full Movie Free on SolarMovie. Watch The Adventure of Sherlock Holmes' Smarter Brother (1975) (1975) online free. The younger brother of the consulting detective tries to steal Sherlock's glory by solving an import...The younger brother of the consulting detective tries to steal Sherlock's glory by solving an important case assisted by an eccentric Scotland Yard detective and a lovely but suspicious actress.