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 gangsters threaten the family, but Commander Pott throws the switch which transforms the car into an aeroplane and they take off, leaving the gangsters in helpless fury. The Potts stay overnight in a hotel in Calais. While the family sleeps, the gangsters break into the children's room and kidnap them and drive off towards Paris. Chitty tracks the gangsters' route, wakes Commander and Mrs. Pott, and they drive off in pursuit. The gangsters are planning to rob a famous chocolate shop in Paris using the children as decoys. The Pott children overhear this and manage to warn the shop owner,