"Costello Buys a Horse" aired on September 11, 1944. In this episode, Lou Costello is excited about his new purchase: a racehorse. The comedic turmoil begins when he tries to place bets amidst a series of misunderstandings and comedic predicaments. Lou’s unstoppable optimism collides hilariously with the various characters he interacts with, including a bookie who complicates matters with his nonchalant attitude.