High Quality Content by WIKIPEDIA articles! The Madness of King George is a 1994 film directed by Nicholas Hytner and adapted by Alan Bennett from his own play, The Madness of George III. It tells the true story of George III`s deteriorating mental health, and his equally declining relationship with his son, the Prince of Wales, particularly focusing on the period around the Regency Crisis of 1788. Modern medicine has suggested the King`s symptoms were the result of acute intermittent porphyria.