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Episode 1.Fall of the Leaning Tower
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Episode 2.Time Travel
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Episode 3.The Killer's Trail
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Episode 4.Island of the Spirits
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Episode 5.Decoding Nazi Secrets
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Episode 6.Voyage of Doom
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Episode 7.Electric Heart
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Episode 8.Tales from the Hive
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Episode 9.Lost on Everest
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Episode 10.Secrets of Lost Empires: Medieval Siege (1)
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Episode 11.Diamond Deception
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Episode 12.Secrets of Lost Empires: Pharaoh's Obelisk (2)
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Episode 13.Trillion Dollar Bet
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Episode 14.Secrets of Lost Empires: Easter Island (3)
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Episode 15.Mystery of the First Americans
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Episode 16.Secrets of Lost Empires: Roman Bath (4)
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Episode 17.Lost Tribes of Israel
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Episode 18.Secrets of Lost Empires: China Bridge (5)
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Episode 19.What's Up with the Weather?
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Episode 20.Stationed in the Stars
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Episode 21.