What Planet Are You On?

7PM, RTÉ ONE ★★★★

The concluding episode in the three-part series sees the competing families – the Ryans, the Kellys and the McGettigans – resetting their scores to zero as they prepare to put everything they have learned into practice. Presenter Maia Dunphy (pictured) challenges them to make improvements in four key areas; food, waste, energy and water. The show’s experts will monitor their progress and decide who deserves the €5,000 prize. For viewers, there’s also a look at how saving the planet can save you money.