Dino Boy in the Lost Valley

The Worm People (1x1)

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While playing with Bronty in the forest, Dino Boy is captured by a pterodactyl. After it is attacked by another pterodactyl, Dino Boy is dropped into Horror Swamp where he is captured by the dreaded Worm People and is then imprisoned within a giant beetle pit. Ugh is able to track him down and rescue they youth before it is too late.