"The Octopus Teacher" is a documentary film that follows the unique relationship between filmmaker Craig Foster and a wild octopus in a South African kelp forest. Over the course of a year, Foster dives daily to observe the octopus, capturing its behaviors and interactions in its natural habitat. The film highlights themes of connection, nature, and the importance of conservation. It showcases the intelligence and adaptability of the octopus, while also reflecting on Foster's personal journey of healing and self-discovery through his underwater experiences.