In 1966, Sidney Poitier agreed to star as Detective Virgil Tibbs in In the Heat of the Night, but he wanted one thing guaranteed. If a white man slapped his character, Tibbs would slap him back, and Poitier later said he insisted the studio put in writing that the moment could not be removed from any version of the film. His demand mattered because Black characters in American movies were rarely allowed to respond physically to white characters without being punished, humiliated or killed. Poitier understood that the scene was about more than a fictional detective. It was about whether a Black man could stand his ground on screen without being forced to submit. The scene became one of the most memorable moments in American cinema. After wealthy plantation owner Eric Endicott strikes Tibbs across the face, Tibbs immediately returns the blow. Poitier later explained that accepting the slap without responding would have felt like an insult to Black people everywhere. The film was released in 1967, during a period of enormous racial tension in the United States, and the moment carried a weight audiences immediately understood. Poitier had spent years refusing roles that reduced Black people to stereotypes, becoming the first Black man to win the Academy Award for Best Actor in 1964 for Lilies of the Field. He was not simply trying to become a bigger star. He was using the power he had gained to demand dignity for the characters he played. The contract story is based on Poitier's own later account, while some details of how the scene evolved have been disputed by members of the production. What is not disputed is the impact of that slap.