HBO Releases New ‘Clear History’ Teaser Featuring Larry David and Jon Hamm June 11, 2013 HBO, News The latest teaser for HBO’s upcoming movie event Clear History reveals the moment that Nathan (Larry David) makes the biggest mistake of his life. The movie will focuses on Nathan, a man who cashes out of a start-up company just before it becomes a huge success. In the latest clip, we see Nathan’s outraged reaction to his boss’ (Jon Hamm) million dollar idea to call their electric car the “Howard.” Watch the clip below. In addition to David and Hamm, Clear History‘s star-studded cast also includes Bill Hader (Saturday Night Live), Danny McBride (Eastbound & Down), Michael Keaton (Batman), Amy Ryan (Gone Baby Gone) and Eva Mendes (Training Day). Clear History premieres Saturday, August 10th at 9:00 p. m. ET/PT on HBO.