Enjoy bloopers, gags, and behind-the-scenes silliness from the sets of the Star Wars prequels and (starting at 6:30) the original trilogy. There are flubbed lines, falls, and technical difficulties galore. Some of them leave the green screens in place; for others, such as Jar Jar scenes, they actually added the CGI to the bloopers.
The one that made me laugh out loud was when Obi-Wan twirled his light saber and hit Anakin in the crotch. -via Tastefully Offensive