National Lampoon's Stoned Age [Unrated]

Detroit Rock City's Adam Rifkin writes, directs, and stars in National Lampoon's Homo Erectus, a prehistoric comedy surrounding a caveman and his plight to find love while leading his clan. Ali Larter plays the love interest, with David Carradine and Talia Shire portraying Rifkin's parents. Cameos are supplied by Tom Arnold and Gary Busey.