Watch Curveball (2015) HD Full Movie Free on solarmovie.do. Watch Curveball (2015) online free. Curveball is the coming of age story of a boy named Nolan as he faces several challenges in his life...Curveball is the coming of age story of a boy named Nolan as he faces several challenges in his life which he must learn to conquer without the help of his mother or counselor.