Emma Peel in a mini skirt and black knee boots in an episode of the TV series The Avengers.

Though remembered for its idiosyncratic humor, The Avengers made its debut in 1961 as a no-nonsense crime drama. Ian Hendry starred as David Keel, a doctor turned detective, while Patrick MacNee haunted the sidelines as an inscrutable investigator named John Steed. Shot in black and white under grey English skies, the show was unmistakably a product of the Cold War, fueled by John Dankworth’s stentorian theme and an origin story that predicted television’s noirish The Fugitive; Keel’s fiancée has been murdered, prompting our heroes to join in the search for her killer.