Watch Billionaire Boy (2016) HD Full Movie Free on SolarMovie. Watch Billionaire Boy (2016) online free. The story of Len, who made a billion dollars from inventing a new toilet roll, and his 12-year-old s...The story of Len, who made a billion dollars from inventing a new toilet roll, and his 12-year-old son Joe who appears to have everything he could want but what he really needs is a friend.