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To promote the newly-opened Star Tours at Disneyland, Darth Vader himself came to check it out. The problem? It wasn't quiiiiite ready. What's a Sith Lord to do? Explore the park, obviously.

You can also see lots of sweet extended cuts:
Darth at the Sword in the Stone
Darth watches a parade
Darth on the tea cups
Darth walks through Sleeping Beauty Castle
Darth at a dance party


Link via Disney Parks Blog