With the group nearing the end of their three-week stint living on the dump, Rob wants to make sure everyone will put what they have learnt into practise when they get home.
Tensions are beginning to build between the 'workers' and the 'shirkers' and there are more disagreements over how to spend the money the group made from salvaging materials from the dump.
With shelter and food sorted out, but one of the participants already gone, it's time to reveal the group's next challenge - Rob the eco-expert is taking their toilets away.
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