The Adventure of Sherlock Holmes' Smarter Brother

The name of this movie is The Adventure of Sherlock Holmes' Smarter Brother released in 1975-12-14 and it's main theme is After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes Wilder is called upon to help solve a crucial case that leads him on a hilarious trail of false identities, stolen documents, secret codes... and exposed backsides..