In the final episode of the series, Chris Packham, Michaela Strachan, Gillian Burke and Iolo Williams look to the future. Gillian reports on the return of giant blue-finned tuna to Cornwall, gannets take a leap of faith in Yorkshire, Iolo joins leaping salmon in Wales, Michaela says goodbye to the seals, and Chris reminds us that Winterwatch will return for another series in January!