Great British Railway Journeys - Season 4 Episode 6 Portsmouth to Gomshall
Overview: Michael Portillo embarks on the next stage of his journey in which he travels from the naval hub of Portsmouth to Grimsby docks. On the first leg, he helps feed the crew of Britain's newest battleship, discovers how the Victorians planned to repel a possible French invasion and learns there is a well-established industry in an unlikely location.