As the documentary series returns for a second series, Tim Dunn and Siddy Holloway explore the disused Jubilee line areas of Charing Cross station, now more famous as a film location.
A secret siding and disused Thameslink platforms at Kings Cross, and disused Marlborough Road on the Metropolitan line. At the depot, Tim looks at a 1904 carriage and discovers the history of the Victoria line's automatic trains.
