Dougie heads out into the North Sea to visit Scotland’s biggest offshore wind farm as it nears completion. Meanwhile, Anne finds out how the wind farm’s impact on marine mammals is being monitored. Chris Blanchett discovers how one well-known farming family in north east Scotland is harnessing the power of the sun, and Rosie meets a man whose study of the elements demonstrates true dedication. And Shahbaz chooses his favourite viewers’ weather-themed photographs.