Poll: Favorite Space Opera Movie

According to Wikipedia: Space opera is a subgenre of science fiction that emphasizes space warfare, melodramatic adventure, interplanetary battles, chivalric romance, and risk-taking. Set mainly or entirely in outer space, it usually involves conflict between opponents possessing advanced abilities, futuristic weapons, and other sophisticated technology. Which of those space opera films is your favorite? Rule: 20 000 votes minimum Discuss here