TV Guide Eden Sunday

Footage of animals that live on the coast, including sea lions working in packs to hunt tuna in the shallows and moray eels that venture out of the water to seek out food on dry rocks. Puffins must brave predators to bring a mouthful of food back to their young and king penguins go without food for a month while they moult. Plus, footage of the bizarre Leaping Blenny, a fish that hates the water

The series concludes with a look at the ways human activity can impact on aquatic wildlife, including albatrosses unwittingly feeding their offspring plastic, mother dolphins with contaminated milk, and communications between animals being disrupted by noise. However, there are signs of hope, including the thriving Norwegian Spring-Spawning Herring, previously on the brink of extinction, and efforts to save endangered species like the whale shark and to preserve the eggs of giant leatherback turtles

The naturalist joins a team of scientists examining the 200 million-year-old fossilised remains of an ichthyosaur, a vast sea creature which was discovered on Dorset's Jurassic Coast. As the skeleton is reassembled, advanced imaging technology and computer animation is used to create a simulation of the sea creature as it would have appeared when it was still alive - the most detailed reconstruction of its kind ever attempted. Meanwhile, forensic investigators painstakingly examine the bones to solve the mystery of how the ichthyosaur died

Ian Hamilton and his guide dog Major explore Annan in Dumfries and Galloway. Ian finds out how a town with such an important industrial history, including boat building, fishing and even nuclear power, is adapting to the modern world

Ian Hamilton finds out about Cumnock's ambition to become Scotland's first green town, by running its own renewable energy system and making use of digital and smart technologies. Digging below the surface of these ambitious plans for the town, Ian meets the locals to see what they think about it all and also to find out what smaller steps they are taking to move towards a greener world