S4.E1 ∙ Black Boxes, Steam Turbine, Racing Car Mon, Dec 03, 2007 Discover the science behind black boxes, steam turbines, and racing cars. 7.2 /10
S4.E2 ∙ Family Car, Letter, Titanium Wed, Oct 10, 2007 Discover the secrets behind the family car, titanium, and letters. 6.8 /10
S4.E3 ∙ Forest Fires, Car Exhaust, Space Station Thu, Oct 04, 2007 Go beneath the surface to understand forest fires, car exhaust, and the space station. 7.4 /10
S4.E4 ∙ Jet Engine, Weapons, Telescopes Wed, Oct 31, 2007 Discover the secrets behind jet engines, weapons, and telescopes. 7.2 /10
S4.E5 ∙ Land Mines, Air Boats, Car Warehouse Wed, Nov 07, 2007 Discover how land mines are placed, how air boats work and how car warehouses work. 7.2 /10
S4.E6 ∙ Nuclear Sub, Crash Test Dummies, Fruit and Vegetables Wed, Nov 14, 2007 Find out the secrets behind nuclear subs, crash test dummies, and growing fruits and vegetables. 7.1 /10
S4.E7 ∙ Oil Rigs, VWs, Black Box Tue, Apr 24, 2007 Giant metal constructions are needed to find the oil to run the world. VW one of the biggest and longest running car manufacturers in the world. When planes seem to crash for no reason, the black boxes can usually tell us why. 7.2 /10