Season 7 (1989)

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Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger
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October 14, 1989 • 30m

Episode 1 of Season 7 premiered on October 14, 1989

Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa
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October 21, 1989 • 30m

Episode 2 of Season 7 premiered on October 21, 1989

Race Cars; Spider Webs; Lemons; Tropical Fish
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October 28, 1989 • 30m

Episode 3 of Season 7 premiered on October 28, 1989

Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies
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November 4, 1989 • 30m

Episode 4 of Season 7 premiered on November 4, 1989

Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth
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November 11, 1989 • 30m

Episode 5 of Season 7 premiered on November 11, 1989

Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel
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November 18, 1989 • 30m

Episode 6 of Season 7 premiered on November 18, 1989

Whale Watch; Sunspots; Lemons; Skunk
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November 25, 1989 • 30m

Episode 7 of Season 7 premiered on November 25, 1989

Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish
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December 2, 1989 • 30m

Episode 8 of Season 7 premiered on December 2, 1989

DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse
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December 9, 1989 • 30m

Episode 9 of Season 7 premiered on December 9, 1989

Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna
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December 16, 1989 • 30m

Episode 10 of Season 7 premiered on December 16, 1989

Spinal Cord; Glue; Lemons; Dog Behavior
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December 23, 1989 • 30m

Episode 11 of Season 7 premiered on December 23, 1989

Cheese; Aging; Appendix Chat; Wolves
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December 30, 1989 • 30m

Episode 12 of Season 7 premiered on December 30, 1989

Supercomputer; Greenhouse Effect; House Creaking; Owl
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January 6, 1990 • 30m

Episode 13 of Season 7 premiered on January 6, 1990