Nat Geo HD A Pricey Watch and Priceless Pearls: Airport employees reunite travellers with a pair of ornate Shriners fezzes, a bride's pearl necklace and a $12,000 Jaeger watch. (S1, ep 5) 7+ 2026-07-17 Deadly Delivery: Facing poor visibility, a cargo flight is on final approach to an Alabama airport when it hits a grove of trees and crashes. What went wrong? 7+ 2026-07-17 The Trap: Nine months after the onset of World War II, Hitler attacks the West with intense violence. (1 of 2) 7+ 2026-07-17 ...The West. Last Battles: French citizens take to the roads and the government signs an armistice as Germans take over half the country. (2 of 2) 7+ 2026-07-17 Mechanical Turk, Lindbergh Pump. Etruscan Mummy: Did a 200-year-old mechanical man really beat the world's best chess players? Who made it, and how does it work? (S3, ep 9) 7+ 2026-07-17 Lost Nukes of the Cold War: Experts head beneath the waves to reveal the shocking secrets and doomsday weapons of the Cold War - the world's first nuclear-armed confrontation. 7+ 2026-07-18