Episode V: The Empire Strikes Back The opening crawl reveals that the evil Galactic Empire has pursued the valiant Rebel Alliance across the galaxy, forcing them to establish a secret base on Hoth, a remote ice planet. The Dark Lord of the Sith Darth Vader has sent robotic probes into space in search of this base and its commander, Luke Skywalker. While Luke is patrolling around the base, he is knocked unconscious by a Wampa: a predator indigenous to Hoth. Meanwhile, back at the base, the smuggler-pilot Han Solo announces his intention to leave the Rebels and pay...