It Takes Two: Great Buddy-Cops in History

THE HOUND OF THE BASKERVILLES, THE HOUND OF THE BASKERVILLES US 1939 BASIL RATHBONE as Sherlock Holmes NIGEL BRUCE as Dr Watson Date 1939, Photo by:
Mary Evans / Twentieth Century Fox / Ronald Grant / Everett

Elementary
Without Watson, Sherlock Holmes would merely be an arrogant loner with a smoking habit. But together they make sleuthing history and bring the detective-duo storyline into the 20th century.

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.