Katherine MacGregor, born Dorlee Deane McGregor on January 12, 1925, captivated audiences as the unforgettable Harriet Oleson on the beloved series *Little House on the Prairie*, which aired from 1974 to 1983. Her portrayal of the comically cantankerous store owner’s wife added a delightful layer of complexity to the show, making it a cherished part of American television history. Collectors particularly seek out her appearances in various home video releases, from the complete series box sets to the standalone *Little House on the Prairie: A Merry Ingalls Christmas* (2014), which showcases her enduring legacy. Though she stepped back from screen roles after *Little House*, MacGregor continued to influence the arts through local theater and teaching acting, leaving a profound impact on future generations. Her unique contributions to film and television, coupled with her distinctive character, make her work highly coveted among physical media enthusiasts. As collectors delve into her extensive filmography, they celebrate not just her performances but the rich history of television that she helped shape.