We follow Atlantic grey seals through the year, from courtship to pregnancy and birth. Will a curious snowy-white sea...

The strange environment of the shallow seas is one that sits remarkably close to shore. In the giant kelp forest, we ...

As the water starts to warm in the summer, marine giants arrive at the Celtic deep. Some have travelled for thousands...

Presented by Dame Sian Phillips, this episode looks at some of the biggest challenges and issues facing the marine en...