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In the early 1950s, a scientific expedition into the Amazon recovers a strange fossilized claw that could be a missing link between creatures that swim in the seas and those that walk on land. Once the fossil is examined, a larger, better-funded expedition is authorized to travel deep into the interior of the Amazon Basin to hopefully find more examples of the long dead creature. But as the expedition pushes deeper into the unexplored reaches of the great waterway, they come to the realization that "something" is watching their every move, stalking them... on the land, and in the water!
Starring: Richard Carlson, Julie Adams, Richard Denning, Antonio Moreno (I), Nestor Paiva| Horror | Uncertain |
| Sci-Fi | Uncertain |
| Adventure | Uncertain |
Video codec: MPEG-4 MVC
Video resolution: 1080p
Aspect ratio: 1.85:1
Original aspect ratio: 2.00:1
English: DTS-HD Master Audio Mono
French: DTS Mono
English SDH, Spanish
Blu-ray Disc
Single disc (1 BD)
UV digital copy
Slipcover in original pressing
Region A (B, C untested)
No review exists for this particular release, however, it exists for the other following regions/countries:

Blu-ray 3D + Blu-ray
Universal Studios | 1954 | 79 min | Rated G | Jun 04, 2013 | Kenneth Brown
In the early 1950s, a scientific expedition into the Amazon recovers a strange fossilized claw that could be a missing link between creatures that swim in the seas and those that walk on land. Once the fossil is examined, a larger, better-funded expedition is authorized to travel deep into the interior of the Amazon Basin to hopefully find more examples of the long dead creature. But as the expedition pushes deeper into the unexplored reaches of the great waterway, they come to the realization that "something" is watching their every move, stalking them... on the land, and in the water!
Adventure / Horror / Sci-Fi

4K Ultra HD + Blu-ray 3D + Blu-ray
Universal Studios | 1954 | 79 min | Rated G | Oct 03, 2023 | Martin Liebman
In the early 1950s, a scientific expedition into the Amazon recovers a strange fossilized claw that could be a missing link between creatures that swim in the seas and those that walk on land. Once the fossil is examined, a larger, better-funded expedition is authorized to travel deep into the interior of the Amazon Basin to hopefully find more examples of the long dead creature. But as the expedition pushes deeper into the unexplored reaches of the great waterway, they come to the realization that "something" is watching their every move, stalking them... on the land, and in the water!
Adventure / Horror / Sci-Fi

4K Ultra HD + Blu-ray 3D + Blu-ray + Digital Copy
Universal Studios | 1954 | 79 min | Rated G | Mar 05, 2024 | Justin Dekker
In the early 1950s, a scientific expedition into the Amazon recovers a strange fossilized claw that could be a missing link between creatures that swim in the seas and those that walk on land. Once the fossil is examined, a larger, better-funded expedition is authorized to travel deep into the interior of the Amazon Basin to hopefully find more examples of the long dead creature. But as the expedition pushes deeper into the unexplored reaches of the great waterway, they come to the realization that "something" is watching their every move, stalking them... on the land, and in the water!
Adventure / Horror / Sci-Fi

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Warner Archive Collection
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Special Edition | The Creeping Unknown
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