A deep dive into the changing nature of autumn, looking at the winners and losers as environmental patterns shift.

In Norfolk, Chris Packham and Michaela Strachan showcase the surprising things that viewers have been seeing this autumn from around the country.

Iolo Williams and Gillian Burke wow in Wales with marine marvels and mammals, including live bats departing en masse from their roost sites at dusk.

Chris and Michaela bring the final instalment of the wildlife dramas that have been unfolding all week at Wild Ken Hill.

Gillian and Iolo will be catching up on the latest action from one of the biggest bat roosts in Wales. There's a look at how the falling leaves of autumn lead to extraordinary wildlife dramas in our rivers, plus the woman releasing injured bats after they’ve successfully completed flight tests in her bat-friendly garage.