It's May 22nd, the last day of the 2005 Scottish Premier League season, and Celtic have one hand on the trophy, which is to be delivered by helicopter to the victors. All they need to do is win away at Motherwell, and - with the competition's top scorer, John Hartson - in their side, the result seems a foregone conclusion. Only Rangers, playing at Hibernian, can spoil the party, by closing the two-point gap at the top of the table. With minutes left on the clock, and both title contenders 1-0 up, Scott McDonald scores for Motherwell, and the helicopter - headed for Fir Park - is forced to make an abrupt U-turn. He's soon made it a brace - sealing the upset, and breaking Celtic hearts: the title is lost. 15 years on, Hartson sits down with Luke Shanley to discuss this most dramatic of season finales...