NOVA: Great Escape at Dunkirk

The infamous WWII battle in Dunkirk, France, found Allied forces completely surrounded by German troops and has left an unforgettable "footprint" in world history. Archaeologists and divers locate planes and ships that were lost at Dunkirk and provide the evidence and technology which allowed the Allied troops to miraculously navigate their "great escape." 2018/color/60 min/TV-PG/widescreen.