Surfaces: Surface of the Earth
A geologist appears in the workshop for a discussion on the three types of Earth rock. In Hawaii, Lisa sees a volcano and takes a novice surfing lesson. Film insert: Searching for oil; inactive volcanoes.ANIMATIONS: The moving rocks of Earth; one billion years of Earth change is compressed into 1¾ minutes.THE BLOODHOUND GANG: ""The Case of the Thing in the Trunk, Part Two."" (Recycled from Episodes 19 and 39). Using a pinhole camera effect with a piece of cardboard picking up light from a hole in the side of the van, the gang learns where the mummy is being stowed. They radio that information to the police after trapping the henchman.
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