From the novel by E. Nesbit; a delightful story of three children who live in an old cottage near the railway line. Every day they watch the trains go by and become great friends with Perks, the porter, and an old gentleman who travels on the "Green Dragon".

Their involvement with the railway leads to many great adventures and dangers.

Director: Lionel Jeffries
Cast: Dinah Sheridan, Jenny Agutter, Sally Thomsett, Gary Warren, Bernard Cribbens, Iain Cuthbertson