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 was purchased by New Zealand film director Sir Peter Jackson. The film was the tenth most popular at the US box office in 1969. "Time" began its review by saying the film is a "picture for the ages—the ages between five and twelve" and ended noting that "At a time when violence and sex are the dual sellers at the box office, "Chitty Chitty Bang Bang" looks better than it is simply because it's not not all all bad bad"; the film's "eleven songs have all the rich melodic variety of an automobile horn. Persistent syncopation and some breathless choreography