Gimme a Break! - Season 3 Episode 13 Samantha's Protest

Samantha protests against demolition of an historic Spanish site after Nell tells her she did the same thing in Alabama when whites would not serve blacks. When the cheif and Officer Simpson arrive at the scene, the mob doesn't move, and they are all arrested, including the entire Kanisky family, who decides to step in and help Samantha protest. In the end, the site is saved from demolition, everyone is still mad at the cheif for arresting them, and they finally realize that he was only doing his job.