Star Wars Together We Can Rule the Galaxy T-Shirt Help find recruits to join the Galactic Empire with the Star Wars Together We Can Rule the Galaxy Heather Charcoal T-Shirt. Darth Vader stars in the propaganda-style print on the front of this durable charcoal tee that urges you to "Join the dark side" because "Together we can rule the galaxy." 60% Cotton, 40% Polyester.