Air date: 2006-11-01

Runtime: 6 min

Darryl Grimason takes a breath-taking tour of shipwrecks and discovers the vivid marine life that lies below the spectacular seacliffs of Rathlin Island.

Air date: 2006-11-08

Runtime: 6 min

Darryl Grimason continues his ocean odyssey diving into the 'deep blue' to find out what lies beneath the waters of County Antrim's north coast.

Air date: 2006-11-22

Runtime: 6 min

Darryl Grimason continues his Waterworld expedition and dives into Strangford Lough to reveal the hidden life beneath its surface.

Air date: 2006-11-29

Runtime: 6 min

Darryl Grimason dives into the dark waters of Lough Erne in County Fermanagh and the deep waters off County Donegal's coast in search of aquatic adventure.

Air date: 2006-12-06

Runtime: 6 min

Darryl Grimason ends his underwater expedition of Northern Ireland's coastline in spectacular style by swimming with sharks.