The film Finding Nemo tells the story of the overly protective clownfish Marlin, searches for his son Nemo. Along the way he learns to take risks and that his son is capable of taking care of himself. Finding Nemo is the best-seling DVD of all time, with over 40 million copies sold as of 2006 and is the highest grossing G-rated movie of all time. It was a financial blockbuster as it grossed over &864 million worldwide.