Oscar loved to bet on horses and greyhounds throughout the series, and this was the second time Felix joined his roommate in betting.
Before 1970, Nevada was the only state that permitted off track betting. By the time this 1975, episode aired, Off Track Betting ( OTB ) had been legalized in New York for five years. By 2010, it was closed down and ceased operation.
During this episode Oscar (Jack Klugman) is filmed watching a horse race at Belmont Park in New York.
Both Fritz Feld and Jerry Maren, who are featured in this episode, also had parts in the Marx Bros. comedy "At the Circus" (1939).