Season 4

11 Oct 1986~30 min/ep

Episodios

1. Flight Trainers; Snake Bite; Hedgehoh Chat; Cold Remedies

30 min11 Oct 1986

2. Caves; Lasers; Skin Wrinkle Chat; Whale Birth

30 min18 Oct 1986

3. Hypothermia; Moon; Voice Change Chat; Yak

30 min25 Oct 1986

4. Sponges; Bed of Nails; Probability; Pelicans

30 min1 Nov 1986

5. Bees; Blood Pressure; Bruises Chat; Hiccups

30 min8 Nov 1986

6. Telescopes; Food Myths; Manatee

30 min15 Nov 1986

7. Fossil Dig; Mirrors; Frostbite Chat; Elephants

30 min22 Nov 1986

8. Wind Blow; Baldness; Soda Pop Fizz Chat; Cranes

30 min29 Nov 1986

9. Alcohol; Helium Balloons; Backache Chat; Roller Coaster; Snow Monkeys

30 min6 Dec 1986

10. Diabetes; Frozen Food; Flat Feet Chat; Battery Inventions; Alligators

30 min13 Dec 1986

11. Immune System; Skiing; Blimp; Beaver

30 min20 Dec 1986

12. Pterodactyl; Rube Goldberg; Black Box Chat; Quickies

30 min27 Dec 1986

13. Baseball Bats; Polarized Light; Dreams Chat; Inventors Fair; Falcon

30 min3 Jan 1987