Blood, Sweat and T-Shirts

They join the thousands of poverty stricken migrant labourers who head deep into the Indian countryside to work on the annual cotton harvest. The six hour, third-class train journey and life in the mill prove to be the group's most physically demanding challenges yet.

The group embark on the most shocking leg of their journey so far in Mumbai, as they are put to work in the backstreet factories of Dharivi, the largest slum in Asia. But when they stumble across child labour they are forced to delve a little deeper and find out the extent of the problem and what is being done to prevent it.