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. Meanwhile, Simon King is reporting live from a London graveyard to reveal the animals that have made this unusual wildlife location their home, Gordon Buchanan is on the trail of another viewer's story and Martin Hughes-Games explains how to get more involved with wildlife and with the series.

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