This programme takes a look at the some of the 7,700 steam engines operated by the London North Eastern Railway until nationalisation in 1948. The LNER built some of the most well-known locomotives in the country if not the world. The programme includes the V2 Class mixed traffic locos, represented by Green Arrow, along with many other examples of classic designs, such as the D49 Class, Morayshire. But the most famous locos from the LNER were 4472 Flying Scotsman and 4468 Mallard. Steam locos from North Yorkshire Moors, Boness and Kinneil, Great Central Railways, as well as on the main line are also included in this programme.