http://www.imdb.com/title/tt0080684/

After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.

Star.Wars.Episode.5.The.Empire.Strikes.Back.1980.星球大战5：帝国反击战