What We Left Behind: Looking Back at Star Trek: Deep Space Nine
- बर्ष: 2018
- देश: United States of America
- विधा: Documentary
- स्टुडियो: 455 Films, Le Big Boss Productions
- कीवर्ड: television history, science fiction
- निर्देशक: David Zappone, Ira Steven Behr
- जात: Avery Brooks, Terry Farrell, Michael Dorn, René Auberjonois, Nana Visitor, Alexander Siddig