Ah the Shannon: Sure isn't it the home of many an Irish holiday? Tonight, Colin Stafford Johnson takes us on the first of two-part journey down the river, using the same kind of cameras Christopher Nolan had for Inception to capture Ireland's most fascinating creatures in slow motion. Watch giant butterflies and dragonflies getting set for flight, see kingfishers crashing through the river's surface to find some tasty food, and marvel at the sight of the Daudenton's bat scooping insects from the seemingly empty ripples. Sure you'd never know it was happening all around you...