The Longmire TV series premiered in 2012 on A&E. The series is based on the Walt Longmire Mysteries novels by Craig Johnson. The show follows the life of Sheriff Walt Longmire and his longtime friend Henry Standing Bear. The series mainly deals with the crimes that Walt Longmire investigates as well as the many issues surrounding the Indian reservation and its police force. This 5 season set includes every episode from all 5 seasons of the show for one low price. Get your set of 5 seasons today! walt longmire dvd series.