From the BBC Natural History Unit in Bristol, Chris Packham and Kate Humble share their autumnal adventures in a wildlife-rich cider orchard. Simon King reports from the red deer rut on the Scottish island of Rum, while Gordon Buchanan is tracking killer whales in the North Sea.

Chris and Kate are on the Dorset coast to say goodbye to the summer's migrants and hello to the autumn arrivals; it is bound to be a rich treat for any bird lover.

Chris and Kate are at a wildlife hospital helping to rescue and care for sick and injured animals. Autumn is a busy time for them. In particular, hedgehogs need to be in peak condition if they are to successfully hibernate and survive the winter.

Chris Packham and Kate Humble are in north Norfolk to witness one of the most spectacular autumn phenomena. The 'knot spectacle', 40,000 wading birds flying in formation, is a truly unforgettable wildlife event. Meanwhile, Simon King reports live from the Forest of Dean, unearthing yet more surprising autumn stories as well as unveiling the final chapter of the red deer rut. Gordon Buchanan concludes his North Sea quest for killer whales and Martin Hughes-Games shows how to get more involved with wildlife.

For Halloween week, Chris Packham and Kate Humble are in deepest, darkest Gloucestershire seeking out things that go bump in the night. The setting is a haunted mansion whose residents include bats, badgers and spiders.

Chris and Kate are in the Lake District to witness a British wood at its seasonal best - a colourful and spectacular sight. The trees are host to red squirrels, jays and tawny owls - all very busy at this time of year.

Chris Packham and Kate Humble are in Pembrokeshire, south Wales, to find out how our marine wildlife is faring this autumn.

For the final Autumnwatch, Chris and Kate are in the Cairngorms to witness winter's arrival. These mountains in Scotland are home to ptarmigan, mountain hares and stoats - all of which perform one of nature's greatest tricks: they turn white, helping them blend in with their wintry surroundings.