Overview: On the final leg of his epic journey John attempts to break the fishing record of 15 species in one session as he says goodbye to Mayo in Erris Beo. John visits Sligo and discovers the origins of Newgrange in the middle of a housing estate. John takes a boat trip around Donegal Bay with acclaimed actor Sean McGinley and explores what makes us uniquely Irish and in the heart of the Gaeltacht, Glencolmcille, John goes on an ancient pilgrimage.