On Her Majesty's Secret Service is a spy film from 1969 and the sixth in the James Bond series produced by Eon Productions. It is based on Ian Fleming's 1963 novel. Following Sean Connery's decision to retire from the role after You Only Live Twice, Eon chose George Lazenby, a model with no prior acting experience, to play the role of James Bond. During filming, Lazenby announced that he would only play the role of Bond once. Connery returned to portray Bond in the 1971 film Diamonds Are Forever.

In the film, Bond encounters Blofeld (Telly Savalas), who plans to hold the world to ransom by threatening to render all food crops and livestock infertile through the actions of a group of brainwashed "angels of death". Along the way, Bond meets, falls in love with, and eventually marries Contessa Teresa di Vicenzo (Diana Rigg).