Season 4 Episodes
1. Flight Trainers; Snake Bite; Hedgehoh Chat; Cold Remedies
October 11th, 198630 min
2. Caves; Lasers; Skin Wrinkle Chat; Whale Birth
October 18th, 198630 min
3. Hypothermia; Moon; Voice Change Chat; Yak
October 25th, 198630 min
4. Sponges; Bed of Nails; Probability; Pelicans
November 1st, 198630 min
5. Bees; Blood Pressure; Bruises Chat; Hiccups
November 8th, 198630 min
6. Telescopes; Food Myths; Manatee
November 15th, 198630 min
7. Fossil Dig; Mirrors; Frostbite Chat; Elephants
November 22nd, 198630 min
8. Wind Blow; Baldness; Soda Pop Fizz Chat; Cranes
November 29th, 198630 min
9. Alcohol; Helium Balloons; Backache Chat; Roller Coaster; Snow Monkeys
December 6th, 198630 min
10. Diabetes; Frozen Food; Flat Feet Chat; Battery Inventions; Alligators
December 13th, 198630 min
11. Immune System; Skiing; Blimp; Beaver
December 20th, 198630 min
12. Pterodactyl; Rube Goldberg; Black Box Chat; Quickies
December 27th, 198630 min
13. Baseball Bats; Polarized Light; Dreams Chat; Inventors Fair; Falcon
January 3rd, 198730 min
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