So Funny It Hurt: Buster Keaton & MGM
- Cast: James Karen, Buster Keaton, Louis B. Mayer, Irving Thalberg, Roscoe 'Fatty' Arbuckle
- Duration: 38 minutes
- Genre: Documentary, History
- Rating: 7/10
- Release Date: 2004-12-07
A Turner Classic Movies (TCM) documentary about Keaton's discontented relationship with MGM and the events that eventually led to his career downfall.
