Terry Wogan reaches the halfway mark in the odyssey around his homeland. He's travelled the southern half of the Republic, from Dublin round to Limerick, where Terry grew up. Now it's the turn of the north, much of which is quite literally a different country. After sharing memories of his buttoned-up childhood holidays in Galway and witnessing a seismic shift in Catholic prudery when 180 Irish ladies throw off all their clothes and take a 'Dip in the Nip' for charity, Terry heads for the border.