5-Second Films or
5 Second Films or simply
5SF is an American film group and website that develops and produces an online comedy web series of five-second long short films as well as a series of long films that have been viewed over 115 million times on
YouTube. It was started in the dormitories at the
University of Southern California in the spring of 2005 by Brian Firenzi. The website went live in October 2008. They feature a new film every weekday with the only rules being two seconds of opening titles, five seconds of film consisting of a quick set-up and punchline, and one second of end titles.