In the series premiere, a fashion conscious, fitness obsessed mum of six straight-A students and a bus-dwelling, free-range mum of eight unschooled kids swap lives, turning their families upside down.
Mystery Box Challenge: Peter Gilmore. Contestants have an hour to create a dish from the Mystery Box ingredients, with only three dishes to be tasted. The maker of the winning dish will receive an advantage in the invention test.
Contestants have 75 minutes to cook a delicious dish to avoid elimination. Later, Heston Blumenthal's MasterClass shows how to cook a tasty BBQ leg of Mallee lamb.