Season 4 poster

Season 4

13 episodes October 11, 1986

Episodes

1 Flight Trainers; Snake Bite; Hedgehoh Chat; Cold Remedies Oct 11, 1986 No ratings 2 Caves; Lasers; Skin Wrinkle Chat; Whale Birth Oct 18, 1986 No ratings 3 Hypothermia; Moon; Voice Change Chat; Yak Oct 25, 1986 No ratings 4 Sponges; Bed of Nails; Probability; Pelicans Nov 1, 1986 No ratings 5 Bees; Blood Pressure; Bruises Chat; Hiccups Nov 8, 1986 No ratings 6 Telescopes; Food Myths; Manatee Nov 15, 1986 No ratings 7 Fossil Dig; Mirrors; Frostbite Chat; Elephants Nov 22, 1986 No ratings 8 Wind Blow; Baldness; Soda Pop Fizz Chat; Cranes Nov 29, 1986 No ratings 9 Alcohol; Helium Balloons; Backache Chat; Roller Coaster; Snow Monkeys Dec 6, 1986 No ratings 10 Diabetes; Frozen Food; Flat Feet Chat; Battery Inventions; Alligators Dec 13, 1986 No ratings 11 Immune System; Skiing; Blimp; Beaver Dec 20, 1986 No ratings 12 Pterodactyl; Rube Goldberg; Black Box Chat; Quickies Dec 27, 1986 No ratings 13 Baseball Bats; Polarized Light; Dreams Chat; Inventors Fair; Falcon Jan 3, 1987 No ratings