Bring the galaxy to your Halloween party with one of our sci fi and fantasy mens costumes. Grab the perfect Star Wars costume such as Darth Vader, Luke Skywalker, and Han Solo. You can even show your Trekkie persona off with a Star Wars costume. Don't forget the creatures out there like Caesar from Planet of the Apes and the Predator. If you love sci fi and fantasy movies, then our selection of mens Halloween costumes will be perfect for you.