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 (car) aimed at British motorists, intended to remind them to pay their Vehicle excise duty. Ironically, there was criticism as all cars built before 1 January 1973, including the Chitty Chitty Bang Bang model, are exempt from vehicle excise duty in the UK. The PIF was a parody of the MGM film. In July 2009, the EON copy of the car was prevented from being used in Norwich by the police, as the car was not roadworthy, properly registered or insured. The GEN 11, Pierre Picton car subsequently visited the city of Norwich in August 2009 to promote the theatre show.