Richard Maibaum episode "The Medal" for "Combat!" (1963) then wrote "From Russia with Love" (1963), sharing credit with Harwood. Maibaum worked on "Goldfinger" (1964), on which Paul Dehn also did work. He was one of several writers on "Thunderball" (1965). "You Only Live Twice" (1967) was the first Bond film on which Maibaum was not credited as a writer, the producers using Roald Dahl. Albert Broccoli wanted to produce a non-Bond movie, "Chitty Chitty Bang Bang" (1968) and Maibaum did some work on the script. Maibum received sole script credit for "On Her Majesty's Secret Service" (1969), starring George Lazenby. He did
Chitty Chitty Bang Bang eludes the man by joining a song-and-dance act. He becomes the centre of the show and earns enough in tips to buy the car and rebuild it. They name the car "Chitty Chitty Bang Bang" for the unusual noise of its engine. In the first trip in the car, Caractacus, the children, and Truly picnic on the beach. Caractacus tells them a tale about nasty Baron Bomburst, the tyrant of fictional Vulgaria, who wants to steal Chitty Chitty Bang Bang. As Potts tells his story, the quartet and the car are stranded by high tide and are attacked by pirates