Season 4

01 Tropics: Rubber Episode 123rd September 1985 Paco introduces the tropics and points out that Miguel is in Malaysia. Miguel and Anitha see how rubber is tapped from trees and processed. 02 Tropics: Metals Episode 224th September 1985 People use the word ""tin"" without really understanding it. Miguel goes to various sites in Malaysia see tin being extracted and used. 03 Tropics: Rice Episode 325th September 1985 Miguel sees Malaysian rice, from planting to harvesting. 04 Tropics: Working Animals ￃﾢ￢ﾂﾬ￢ﾀﾜ Monkeys and Elephants Episode 426th September 1985 Miguel learns firsthand how elephants and monkeys can help humans in their tasks. Paco gives a little monologue on domestication. 05 Tropics: Endangered Animals Episode 527th September 1985 Miguel takes a day-long observation of an orangutan rehabilitation center in Malaysia. 06 Light: From the Sun; To Your Eyes Episode 630th September 1985 Light is observed through lenses such a telescope and the eye. The Bloodhound Gang is confronted with ""The Case of the Missing Memory."" 07 Light: Color Episode 71st October 1985 Kathy learns that there is more color in a green leaf than meets the eye. At the Exploratorium, Robin discovers what drives a magnificent light sculpture (the sun and many mirrors). Paco and Mary create their own light sculpture in the studio demonstration. The Bloodhound Gang tries to piece together ""The Case of the Missing Memory"" with a cassette tape that includes a snowy tree cricket chirping. (Concludes in next episode.) 08 Light: Eyes Episode 82nd October 1985 Darlene Librero dissects a cow's eye before a class of intermediate-schoolers. Later we get to hear about Librero's scientific background. The Bloodhound Gang unmasks ""The Case of the Missing Memory."" 09 Light: How Animals See Episode 93rd October 1985 Mary gets her eyes examined. Technically, it's the second straight show on the eye, but not just the human eye. Visual effects simulate the world as other animals see it. 10 Light: Bending and Bouncing Episode 104th October 1985 Diego and Robin start the day on a ship off the California coast, observing the individual patterns of a lighthouse's beam. They find out how lenses concentrate the rays of light emanating from a lighthouse or a buoy. Robin illustrates the convex lens at the Exploratorium. Also at the Exploratorium, Miguel bounces light with a curved mirror. He goes to the University of Arizona to see the grinding of a glass lens for the telescope at nearby Kitt Peak.MUSIC VIDEO: Light energy from the sun. 11 Farms: Sheep and Pigs ￃﾢ￢ﾂﾬ￢ﾀﾜ Selective Breeding Episode 117th October 1985 MMiguel and Robin spend most of the day watchiing and learning from a sheep shearer. Paco and Mary anchor ""Pig News,"" a gimmick that will run throughout the week. 12 Farms: Plants and Pigs – Plant Production Episode 128th October 1985 Mass population puts heavy demands on growing and producing plans. This program looks at some advances in agriculture. 13 Farms: Hybrids Episode 139th October 1985 A mutt is a hybrid, as Paco and Miguel discover. Much of this show is set in the Animal Emergency Room at a veterinarian hospital. But there is time to show another hybrid, this one from cattle. 14 Farms: Cows and Pigs ￃﾢ￢ﾂﾬ￢ﾀﾜ Animal Products Episode 1410th October 1985 Much of this show is set in a modern dairy. Cows give milk, and that milk is turned into other foods. The Bloodhound Gang investigates a well-disguised pickpocket in Part One of ""The Case of Mr. Quickfingers."" (Concludes in next episode.) 15 Farms: Chickens and Pigs ￃﾢ￢ﾂﾬ￢ﾀﾜ Animal Production Episode 1511th October 1985 Kathy talks with none other than Frank Perdue about his high-yield poultry farm. The Bloodhound Gang unmasks ""The Case of Mr. Quickfingers."" 16 Stuff: Metals Episode 1614th October 1985 Robin, Miguel, and Kathy observe different facets of the Statue of Liberty's restoration. 17 Stuff: Clay Episode 1715th October 1985 Paco gets the low-down on making a coffee cup out of clay. Kathy discovers how clay is used to make toilets. The Bloodhound Gang is called to investigate mass car theft in Part One of ""The Case of the Dark Night."" 18 Stuff: Shaping It Episode 1816th October 1985 Heat It, Beat It is the music video that sums up this episode. We see the bending of glass and (in a scene recycled from ""Tropics"" week) the making of a Malaysian dagger. The Bloodhound Gang cracks ""The Case of the Dark Night."" 19 Stuff: Feathers and Rubber Episode 1917th October 1985 In ""Part 1,"" a makeup man gets Miguel in his chair to make a monster mask. For ""Part 2,"" Kathy goes on a mission with a ""feather detective"" to see what bird made a serious impact with an Air Force jet. The Bloodhound Gang enters a greenhouse to start ""The Case of the Funny Money."" (Concludes in next episode.) 20 Stuff: Using It Episode 2018th October 1985 Schoolchildren design egg containers that prevent the egg from breaking when dropped. Miguel sees a plane that is lighter than its pilot go for a speed record. The Bloodhound Gang makes fast work in battling ""The Case of the Funny Money.""