Vegan Sausages - S7.E15

The futuristic process by which Heck churn out up to 90,000 vegan sausages a day in Yorkshire. How Canadian soy beans are transformed into protein-packed tofu. How a vegan superfood of the sea is harvested on the Scottish coast. The history of the vegetarian movement in Britain, and the high price that British sailors paid when deprived of their five a day.