Autumnwatch returns for a celebration of UK wildlife.

The team stays close to home, visiting some of the UK's 16 million back gardens to find out why they can be such an important sanctuary for wildlife in autumn. Kate learns what a garden needs to best help wildlife through the winter months while Chris passes on his own top tips.

Martin discovers there's a pecking order amongst the birds on our feeders and that some of our blackbirds are German.

Off the coast of Devon marine conservationist Maya Plass reveals autumn colour on the sea bed.