The longest movie ever made is "The Cure for Insomnia" which runs for 87 continuous hours. It was directed by John Henry Timmis IV and premiered in 1987. The film contains surreal imagery, songs, and commentary on life.
The longest movie ever made is the Indian epic drama "Adventures of Prince Achmed" from 1926. The movie is approximately 1 hour and 33 minutes long and is the oldest surviving animated feature film.