In this episode:
This week our presenter Andrew Price travels to the Upper Swansea Valley to The National Showcaves Centre for Wales.
Carl Edwards is in North Wales visiting victorian mansion Pale Hall.
He finds out more about the mansions royal connection and discovers more about the turbine installed in 1920 and powered by stream water which continues to provides electricity.
Ruth Wignall and her family continue their quest to find some of the best days out in Wales. This week they visit the smallest city in Britain, St Davids. They take a tour around the Cathedral before pony trekking along the beach in Nolton Haven.