Season 9 (1991)
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Episodes 13
Aerobic Exercise; Swimming/Weightlifting; Luge/Skating; Softball/Racewalking
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Solar Cars; Steroids; The Amazing Kreskin; Foot Fall Asleep; Miniature Horses
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Murder Mystery; Ted Nugent; Bats
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Cancer Causes; Frisbees; Computer Virus
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Sewers; Cancer Treatments; Dick Cavett; Porcupines
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Mapping the Dig Site; Dating the Bones; Assembling Dinosaur
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Domed Stadium; Photosynthesis; Polarized Sunglasses; Amusement Park
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Tears; Slinky Physics; Barcodes; Aspirin; Camels
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Soviet Space; Sky Blue; Inventors Fair; Llamas
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Acid Rain; Highjump; Potholes; Goats
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Medical Quackery; Microwave Ovens; Dollar Changer; Golden Eagles
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Telecommunications; Solar Eclipse; Blimp; Bear Cubs
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Hip Replacement; Airbags; Paper Cuts; Potbelly Pigs
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