 The McDonald brothers, who later began the McDonald's hamburger restaurant chain, opened their first restaurant, The Airdrome, near Monrovia Airport, on the Arcadia/Monrovia border in 1937.The restaurant was located on historic Route 66, now Huntington Drive, but later moved to San Bernardino, California in 1940.The 2016 animated series "" is set in a fictionalized version of Arcadia, California, as is the 2018 animated series "".