SciFi classics. Disc 1
[Incredible Petrified World]: A diving bell goes missing along with its crew of four, their expedition gives up hope of finding them alive. The missing vehicle becomes trapped in a labyrinth of underwater caverns. The foursome encounters a survivor from a shipwreck who informs them that there is no escape from their underwater tomb. Our intrepid explorers cleverly trace the flow of oxygen to a volcanic vent and a possible escape route.
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