Episode 8 (S12E08)

Lewis, a millionaire currency trader, swaps his lavish Norfolk country house—six deluxe bedrooms and sprawling grounds—with cleaner Nicole, joiner Grant, and their three sons, who live in a cramped three-bedroom council house in Grantham with worn carpets and a tiny kitchen. Helen, Lewis's wealthy best friend, joins the exchange. When the families meet at week's end, emotions run high, revealing just how deeply this life swap has transformed them all.