Factual error: During the opening credits, the show's copyright date is shown in Roman numerals as MCLXIV. In Arabic numbers, that's 1164 - it should have been MCMLXIV for 1964.
Factual error: The Robin that comes along in the movie is an American Robin, not a British Robin.
Factual error: In the Ascot racing scene, the actors' heads move from their left to right when the horses come to the winning line. From the stands at Ascot, the horses run clockwise around the track and would enter from right to left.