20 Episodes

Season 4

Episodes

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  • 20 episodes
    20 episodes
    • s4e20Stuff: Using It
      October 18, 1985
    • s4e19Stuff: Feathers and Rubber
      October 17, 1985
    • s4e18Stuff: Shaping It
      October 16, 1985
    • s4e17Stuff: Clay
      October 15, 1985
    • s4e16Stuff: Metals
      October 14, 1985
    • s4e15Farms: Chickens and Pigs – Animal Production
      October 11, 1985
    • s4e14Farms: Cows and Pigs – Animal Products
      October 10, 1985
    • s4e13Farms: Hybrids
      October 9, 1985
    • s4e12Farms: Plants and Pigs – Plant Production
      October 8, 1985
    • s4e11Farms: Sheep and Pigs – Selective Breeding
      October 7, 1985
    • s4e10Light: Bending and Bouncing
      October 4, 1985
    • s4e9Light: How Animals See
      October 3, 1985
    • s4e8Light: Eyes
      October 2, 1985
    • s4e7Light: Color
      October 1, 1985
    • s4e6Light: From the Sun; To Your Eyes
      September 30, 1985
    • s4e5Tropics: Endangered Animals
      September 27, 1985
    • s4e4Tropics: Working Animals – Monkeys and Elephants
      September 26, 1985
    • s4e3Tropics: Rice
      September 25, 1985
    • s4e2Tropics: Metals
      September 24, 1985
    • s4e1Tropics: Rubber
      September 23, 1985