Season 7 (1989)
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Episodes 13
Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger
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Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa
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Race Cars; Spider Webs; Lemons; Tropical Fish
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Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies
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Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth
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Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel
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Whale Watch; Sunspots; Lemons; Skunk
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Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish
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DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse
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Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna
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Spinal Cord; Glue; Lemons; Dog Behavior
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Cheese; Aging; Appendix Chat; Wolves
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Supercomputer; Greenhouse Effect; House Creaking; Owl
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