Mr. Warmth: The Don Rickles Project is a 2007 documentary film about stand-up comedian Don Rickles, which was first screened at the 2007 New York Film Festival and then shown on HBO. The documentary and its producers – Robert Engelman, John Landis, Mike Richardson, and Larry Rickles – earned a Primetime Emmy for Outstanding Variety, Music, or Comedy Special in 2008. Don Rickles also won a Primetime Emmy Award for Individual Performance in a Variety or Music Program for his appearance in the documentary. The documentary was Sidney Poitier's final film appearance before his death in January 2022.