 He co-wrote a TV movie "Thompson's Ghost" (1966) and did episodes of "The Rat Patrol" (1966) and wrote "You're Only Young Twice" for "Vacation Playhouse" (1967).From the late 1960s onwards, Semple focused on films.His success with the "Batman" film saw he and director Leslie Martinson re-teamed on "Fathom" (1967), a spy spoof for Raquel Welch.