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Playing on server:
- Episode 1 15 Years of Terror
- Episode 2 School of the Future
- Episode 3 Great Human Odyssey
- Episode 4 Super Tunnel
- Episode 5 Treasures of the Earth: Gems
- Episode 6 Treasures of the Earth: Metals
- Episode 7 Treasures of the Earth: Power
- Episode 8 Secrets of the Sky Tombs
- Episode 9 The Nuclear Option
- Episode 10 Search for the Super Battery
- Episode 11 Ultimate Cruise Ship
- Episode 12 The Origami Revolution
- Episode 13 Why Trains Crash
- Episode 14 Holocaust Escape Tunnel
- Episode 15 Building Chernobyl's Megatomb
- Episode 16 Chinese Chariot Revealed
- Episode 17 Poisoned Water
- Episode 18 Eclipse Over America
- Episode 19 Ghosts of Stonehenge
- Episode 20 Death Dive to Saturn
- Episode 21 Secrets of the Shining Knight
- Episode 22 Secrets of the Forbidden City
- Episode 23 Killer Volcanoes
- Episode 24 Killer Hurricanes
- Episode 25 Killer Floods
- Episode 26 Extreme Animal Weapons
- Episode 27 Bird Brain
- Episode 28 Day the Dinosaurs Died
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Gemstones like diamonds, rubies, opal and jade are the ultimate treasures. Delve into Earth's depths to discover how these precious stones are forged and what explains the unique allure of each captivating gemstone.
Runtime: 55:14 minutes
Quality: HD
First Air Date: Mar 03, 1974
Last Air date: Jan 22, 2025
Episode: 996 Episode
Season: 52 Season
IMDb: 4.1
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