Darragh is in Cork finding out about the efforts to reduce methane in the national dairy herd. Ella helps to get hundreds of oysters from Kerry to their new home in Dublin Bay. Stephen is in Fermanagh to meet one of nature's most extraordinary looking pig breeds.

Stephen is in County Down exploring a new way of managing the environmental impact of slurry. Ella meets a farmer from Limerick who has a passion for rare breeds. Darragh is also in Limerick, meeting some very special horses that are doing some very special work/