Elizabeth the Vintage Lorry - UK/Elizabeth the Vintage Quarry Truck - US is the fifth episode ever made in Season 6.
Thomas is pulling a special when his siderods fall off. Luckily, Thomas' crew discover a vintage Sentinel quarry truck named Elizabeth sheeted in a nearby shed, and driver her to the works to get new siderods for Thomas. When the Fat Controller hears about Elizabeth, who was his quarry truck before he became Controller, he has Jem Cole restore her to her original beauty.
- In some close-ups of Elizabeth, her eye mechanism is visible inside her cab.