Hackett and Tippett try to destroy a bus by any means possible; in the end, they turn to the power of the natural world in a final, dramatic attempt to find its breaking point.

Hackett and Tippett try to destroy a bus by any means possible; in the end, they turn to the power of the natural world in a final, dramatic attempt to find its breaking point.

Hackett and Tippett search for the breaking point of a forest fire truck and it just might defeat these two maverick destruction merchants; once they break it, the challenge is to make it even stronger.

Hackett and Tippett try to destroy an armoured limo, designed to survive hostile assaults; when the limo defeats their inventive engineering skills, they call in the Army to help find its breaking point.

Hackett and Tippett attempt to destroy a gas-transporting tanker using ever-more extreme methods to find the tanker's breaking point; it's a bigger challenge to make the tanker even tougher.