Belief is a seven-part documentary series hosted by Oprah Winfrey which travels across the globe to explore the traditional practices of religion and spirituality such as Christianity, Islam, Hinduism and Atheism. It premiered on October 18, 2015 on the Oprah Winfrey Network and on January 1, 2016 on the Discovery Network. Winfrey's goal with Belief was to tell all types of stories and personal journeys, answering the recurring question of "who am I?". She hoped that viewers would be inspired by the spirituality of the documentary.