I Know Catherine, The Log Lady is a touching and insightful documentary that dives into the life of Catherine E. Coulson, best known for her iconic role as the mysterious Log Lady in the TV series Twin Peaks. The film explores her personal journey, career, and the deep connection she shared with her most famous character. Through interviews, behind-the-scenes footage, and reflections from those who worked with her, the documentary highlights Coulson's unique talent, her love for acting, and the lasting impact of the Log Lady on fans and the world of television.