"Knocking: The Untold Story of Jehovah's Witnesses" is a documentary film released in 2006 on DVD, focusing on the faith and spirituality of Jehovah's Witnesses. The DVD includes a standard edition of the movie along with a study guide, making it a valuable resource for those interested in learning more about this religious community. The film is in English and is suitable for audiences in Region Code 1 (US, Canada). Produced by Open Door Productions, this DVD provides a compelling look at the beliefs and practices of Jehovah's Witnesses.