49th Parallel is a 1941 British war drama film; it was the third film made by the British writer-director team of Michael Powell and Emeric Pressburger. It was released in the United States as The Invaders. Despite the title, no scene in the movie is set at the 49th parallel, which forms much of the US-Canadian border. The only border scene is at Niagara Falls, which is located farther south.