An establishing shot is an important, well established cinematographic and storytelling technique that communicates to the viewer that the location has changed.
Forbidden Planet is a classic science fiction film that dives deep into the realm of the subconscious. The plot is based on William Sahkespear's the Tempest.
The monster that attacks Luke Skywalker and his ton-ton at the beginning of The Empire Strikes Back is called a Wampa. It inhabits ice caves in the Hoth system.
Accompanied by his furry friend, Barf, a space dog/man, Lone Starr and Barf are a direct parody of George Lucas' Star Wars characters Han Solo and Chewbacca.
Sound foley is the subtle application of common sounds in a film or other video media. Sounds are applied to actions, movements, and the scene's atmosphere.
Spaceballs is an awesome parody of the Star Wars trilogy with just a few Star Trek jokes thrown in for good measure, written and directed by Mel Brooks.