Cork to Dublin

Coast breaks new ground with a spectacular journey following the southern shoreline of Ireland, from Cork Harbour all the way round to Dublin Bay.

In Cork, Neil Oliver explores Titanic's last port of call and tells the tale of the Irish priest who disembarked the doomed vessel at the last minute. Father Frank Browne's iconic photographs of the ship would soon appear in newspapers around the world. Neil also joins the Irish Naval Service as they conduct a no-holds-barred training exercise to board a suspect ship.

Alice Roberts tries to decipher some of the earliest writing in the British Isles as she encounters the curious carvings on one of the mysterious Ogham Stones. Alice's other challenge is to make glass from sand on the beach at Waterford as she explores the art and science that lie behind Waterford Crystal.

Miranda Krestovnikoff goes in search of the beautiful and rare white-fronted geese, which every year make an epic migration from Greenland to Ireland to feed on the rich grasses of the Wexford 'Slobs'. Dick Strawbridge takes a ride on 'Brunel's Folly', the dramatic coastal railway that the great engineer constructed to cling to the cliff face at Bray Head.

Hermione Cockburn creates an earthquake on Killiney beach to discover how a local man, Robert Mallet, invented seismology - the study of earth tremors that has helped to save countless lives since its beginnings in the 1840s.