The Empire Strikes Backmovie | 1980 -

: Produced by Industrial Light & Magic , the film featured groundbreaking effects, including the stop-motion AT-AT walkers on Hoth and the complex animatronics of Yoda.

: The screenplay was a collaborative effort. George Lucas provided the story, while the first draft was written by sci-fi author Leigh Brackett . Following her death in 1978, Lawrence Kasdan (fresh off Raiders of the Lost Ark ) helped refine the final script. The Empire Strikes BackMovie | 1980

: Following the guidance of Obi-Wan Kenobi's spirit, Luke Skywalker travels to the swamp planet Dagobah to train with the diminutive Jedi Master Yoda . : Produced by Industrial Light & Magic ,

: After an Imperial assault on the icy planet Hoth, the Rebels are forced to scatter. the film featured groundbreaking effects