Chris and Michaela present the final installment of the wildlife dramas at Wild Ken Hill, while Gillian looks at the importance of wetlands and Megan sheds light on marine bioluminescence.

At Wild Ken Hill in Norfolk, Chris reveals images of animals at night taken by a thermal camera, while Michaela heads to the coast to find out why the Wash is awash with migrating birds.

In this episode, there's a woodland symphony composed using the sounds of fungi, and Chris and Michaela search for signs of the beaver kit born at Wild Ken Hill.

Autumnwatch returns for a week of live wildlife stories from across the UK. Chris Packham and Michaela Strachan are at Wild Ken Hill in Norfolk to see what's changed since spring.