There is a great 5:33 minute video that has been uploaded to the Star Wars YouTube Channel today, that celebrates 40 Years of The Empire Strikes Back. Definitely should check it out.

"The talent and production crews keeping the Star Wars legacy alive today look back at Star Wars: The Empire Strikes Back to share their thoughts and memories of the film that transformed the Star Wars story into a saga. This brief featurette includes humorous outtakes and behind-the-scenes footage, with all-new commentary by Kathleen Kennedy, Dave Filoni, Bryce Dallas Howard, Pedro Pascal, Deborah Chow, Leslye Headland, Taika Waititi, and Diego Luna."