The final episode of The River, and summer is coming to an end with a bang. The Floors Stud team prepare for the most important day of their year, the sales at Newmarket. But before they can get to the sales, the horses need conditioning so some lunge training is required. In Peebles, Fiona and Neil Dalgleish organise the International Enduro at Glentress Forest, where international pro riders will hit some of the valley's steepest and fastest trails, this being the biggest event of its kind in Britain. On the river, ghillie Colin Bell strims more grassy riverbanks and sees to his summer fishing clients, and on Cowbog Farm, Lottie blowdries her dad's prized Hereford herd. With cows chosen for the show, Lottie and dad Robert will be aiming high come show day. Finally, it's judgement day for the Floors Stud team, they make it to the Tattersalls auction with their best six horses, 12 months of dedication and hard graft will come down to just a few minutes in the sales ring. The pressure is on.