Finding Nemo is the best-selling DVD of all time , with over 40 million copies sold as of 2006 , and was the highest-grossing G-rated film of all time before Pixar 's own Toy Story 3 overtook it .
Finding Nemo is also the best-selling DVD of all time , with over 40 million copies sold as of 2006 , and was the highest-grossing G-rated film of all time before Pixar 's own Toy Story 3 overtook it .