Two winners from the heats go head-to-head for a place in the final. The challenge this time is to create an ingenious chain reaction machine that allows Richard to cook sausages in the kitchen, without leaving his desk in the study. Zach Umperovitch is the expert judge and Shini Somara fills in the science behind the teams' eccentric contraptions.

Starring:

Richard Hammond, Dr. Shini Somara, Zach Umperovitch

Genre:

Action