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In Northern India, caves may hold the secrets to finding alien life on earth in this clip from Season 9, "Forbidden Caves". #AncientAliens
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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.

• Ancient Aliens: India's Mysterious Caves (Season 9) | History ( Download)
• Ancient Aliens: Holy Mysteries in Earth's Deepest Caves (Season 9) | History ( Download)
• Ancient Aliens: The Ellora Caves (Season 12) | Exclusive | History ( Download)
• Ancient Aliens: Mind-Boggling Extraterrestrial Links EXPOSED in India ( Download)
• Ancient Aliens: The Impossible Stone Blocks of Puma Punku (Season 9) | History ( Download)
• Ancient Aliens: Ancient Nuclear Energy at Mohenjo Daro (Season 9) | History ( Download)
• India's Mysterious Caves (Season 9) | Ancient Aliens | The UnXplained Zone ( Download)
• Ancient Aliens: Solving the Mystery of Puma Punku's Stone Blocks (Season 9) | History ( Download)
• The UnXplained: Billion Dollar Treasure Locked in Cursed Temple (Season 3) ( Download)
• Ancient Aliens: Where is the Ark of the Covenant (Season 9) | History ( Download)
• Ancient Aliens: Is Mount Kailish an Ancient Nuclear Power Plant (Season 9) | History ( Download)
• Aliens Create Nuclear Explosion at Mohenjo Daro (Season 9) | Ancient Aliens | The UnXplained Zone ( Download)
• Ancient Aliens: Lost Tibetan Kingdom Connected to Mysterious UFOs (Season 16) | History ( Download)
• Ancient Aliens: The Mighty Shiva (Season 11, Episode 15) | History ( Download)
• Ancient Aliens: India's Flying Saucers (Season 12) | Exclusive | History ( Download)