The local authorities, local newspaper and local police all play their part as the developing situation in Royston Vasey reaches its earth-shattering climax. What dark forces have been unleashed in the amphibarium?

Cast: Andrew Abbott, Neilesh Ambu, Charlie Concannon, Ian Copley-Johnson, Tina Daheley, Mark Anthony Dawson, John De Main, Ade Dimberline, Daniel Eghan, Mark Gatiss, Sian Gibson, Jane Hamer, Jess Kaur, Parrgash Kaur, Tina King