Chris Packham, Michaela Strachan and Gillian Burke have travelled to New Hampshire as billions of trees across New England turn into a riot of yellows, reds and golds.
Chris and Michaela are live from the beautiful Squam Lake in New Hampshire. Gillian gets up close with one of New England's smallest owls, the saw-whet.
Michaela has been on a moose mission, finding out about a tiny but deadly enemy of these massive beasts, and Gillian is looking for red efts in the leaf litter - a brightly coloured newt that comes out in damp conditions.
The incredible migration of the monarch butterfly; a swirling tornado of tree swallows in Connecticut; in Boston, gangs of turkeys roam the streets driving some residents to distraction.
Chris Packham, Michaela Strachan, Gillian Burke and Iolo Williams are live from the New Forest, Fife, Yorkshire and Powys. There is more drama from Michaela’s Scottish seal colony.
Autumnwatch is inspired by Halloween. Gillian shows off the amazing hydraulic power of spiders’ legs. Iolo has an exclusive update on the remarkable story of a giant vulture.
The team look at the unseen side of autumn. There is big news about hedgehogs and a look at one of the cutest and strangest marine predators – the bob-tailed squid.
Chris Packham, Michaela Strachan, Gillian Burke and Iolo Williams focus on the incredible journeys wildlife makes in autumn, whether feather, fin or fur.
Gillian reports on the return of giant blue-finned tuna to Cornwall, gannets take a leap of faith in Yorkshire, and Iolo joins leaping salmon in Wales.
