`` Finding Nemo '' is the best-selling DVD of all time , with over 40 million copies sold , 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 money making G-rated film of all time before Pixar 's own `` Toy Story 3 '' overtook it .