3. Return of the Jedi almost had a very different ending.
In a story development session for Return of the Jedi, George Lucas toyed with the idea that after Luke removes dying Vader's helmet, he puts it on, proclaims "Now I am Vader" and turns to the dark side.

4. Yodas species.
Yoda's species has never been named. A mystery, it is.

5. Depending on what movie you're watching, Yoda has a different number of toes.
In The Phantom Menace, Yoda has three toes. But in The Empire Strikes Back, Return of the Jedi and Revenge of the Sith, he has four.

6. There are no female fighter pilots in the original trilogy.
Even though female fighter pilots were in the original screenplay, they were removed from final cut.

7. The Star Wars prequels used computer animation to create legions of Clone Troopers
No physical suit of armor was ever built for the Clone Troopers in the prequels. Every single Clone Trooper was cmputer animated.

8. E.T. was in The Phantom Menace
The alien race of E.T.: The Extra-Terrestrial makes an appearance in Episode I: The Phantom Menace — officially connecting the worlds of Lucas and Spielberg sci-fi.

9. Chewbacca's voice
Chewbacca's voice is actually a mix of bears, walruses, lions, badgers and other dying animals.

10. The lightsaber noise
The noise a lightsaber makes is created by combining the hum of an old television's picture tube and the buzz of a film projector's motor.

11. You can use Star Wars collectible coins.
The tiny South Pacific island of Niue accepts limited edition Star Wars collectible coins as if it was real money.

12. Jabba the Hut
Originally, Jabba the Hut was not conceived as a grimy slug, but as a fuzzy creature.