The 6 season of Extreme Engineering was broadcast on from mardi 20 novembre 2007 to mercredi 17 octobre 2007. It consists of 14 episodes, the first one is called "Coaster Build Off" and the last one "Major League Stadium".
Each episode of Extreme Engineering discussed some major construction project, some of them are projects that have already been completed like Hong Kong's airport. Others talked abount projects that are currently under construction like Tuneling Under the Alps. And some episodes talked about more futuristic projects that may never be done like the Transatlantic Tunnel. Most episodes finished by examining some sort of disaster scenario which could threaten or ruin the project that was being examined.