The Monkey's Uncle, the 1965 Robert Stevenson
Walt Disney family comedy ("Look, Dad - NO ENGINE!"; "Merlin smashes the laugh barrier in his man-powered flying contraption!"; "You'll go APE when Uncle Merlin adopts a teen-age chimp [by Order of the Court]"; "He's got the BRAIN He's got the BRAWN She's got the BEAT...and they've all got STANLEY"
