The Emmotts enjoy a budget of £1300 per week, affording golf, tennis, music and triathlon training. The Blakes have only £125 of disposable income, so treats include walks in the park and film nights at home. How will they react to life at opposite ends of Britain's wealth divide?

Families from series two and three reveal what happened when they met for the first time after living each other's lives. Intersperses memorable moments with newly shot footage.