The Lord of the Rings: The Return of the King (2003)
While Frodo & Sam continue to approach Mount Doom to destroy the One Ring, unaware of the path Gollum is leading them, the former Fellowship aid Rohan & Gondor in a great battle in the Pelennor Fields, Minas Tirith and the Black Gates as Sauron wages his last war against Middle-earth.
Director: Peter Jackson
Writers: J.R.R. Tolkien, Fran Walsh