Episode 6 (S04E06)

The closure of the Argyll Line wraps up as the engineering projects reach completion. Anderston station and Glasgow Central Low Level are back in operation, but not without a few last-minute challenges. Meanwhile, apprentices face a trial during a night shift at Polmadie. On the concourse, a festive tea party is held in honor of the Queen's jubilee, while Paul and Jackie take a trip to Bo’Ness to kickstart their ambitious plans for the future of the tours.