A temporada 6 de Extreme Engineering foi transmitida em de mardi 20 novembre 2007 para mercredi 17 octobre 2007. Consiste em 14 episódios, o primeiro chama-se "Coaster Build Off" e o último "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.