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 and imprisons any she finds. Grandpa has been ordered by the Baron to make another floating car, and he bluffs his abilities to avoid being executed. The Potts' party is hidden by the local Toymaker, who now works only for the childish Baron. Chitty is discovered and taken to the castle. While Caractacus and the toymaker search for Grandpa and Truly searches for food, the children are caught by the Baroness’ Child Catcher. The Toymaker takes Truly and Caractacus to a grotto beneath the castle where the townspeople have been hiding their children. They concoct a scheme to free the