4/4 The fading sun brings a change to Britain - a time of storms and unpredictable weather.
7/13 How reptiles were the first backboned creatures to solve the problems of living on land.
8/12 Steve has a chilling encounter with a spider that can reach the size of a dinner plate.
2/2 Dallas Campbell explores how what goes on underground keeps our country on the move.
Lucy Cooke investigates seagulls, foxes, squirrels and badgers stealing our food.
2/2 The salmon run arrives in Alaska, and Parsnip and Pushki return to the bay to feed.
One-off special looking at seven diverse natural wonders of the Commonwealth.
An international team of scientists is trying to change perceptions of sharks.
4/4 In the final programme of the series, we find out what the future holds for marine life.
3/3 Dolphins and whales are nature's supreme vocalists, with a vast repertoire.