Season 7
Episodes
1 Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger Oct 14, 1989 2 Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa Oct 21, 1989 3 Race Cars; Spider Webs; Lemons; Tropical Fish Oct 28, 1989 4 Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies Nov 4, 1989 5 Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth Nov 11, 1989 6 Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel Nov 18, 1989 7 Whale Watch; Sunspots; Lemons; Skunk Nov 25, 1989 8 Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish Dec 2, 1989 9 DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse Dec 9, 1989 10 Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna Dec 16, 1989 11 Spinal Cord; Glue; Lemons; Dog Behavior Dec 23, 1989 12 Cheese; Aging; Appendix Chat; Wolves Dec 30, 1989 13 Supercomputer; Greenhouse Effect; House Creaking; Owl Jan 6, 1990