Sword of the Valiant: The Legend of Sir Gawain and the Green Knight Released 1984-08-17 is a story that falls under the Adventure, Fantasy category. Movie Story "Gawain was a squire in King Arthur's court when the Green Knight burst in and offered to play a game with a brave knight. Gawain journeys across the land, learning about life, saving damsels, and solving the Green Knight's riddle.".