7. Five Go Off to Camp (1948)
Spook trains in the middle of the night! And they seem to vanish into thin air—but where do they go? The Famous Five are on to it. But the discovery of an unusual underground tunnel system, and a train-service, has them puzzled. If they follow the tracks, will they solve the mystery?

THE FAMOUS FIVE 1995/1997 Series
Jemima Rooper as George
Marco Williamson as Julian
Paul Child as Dick
Laura Petela as Anne
Elsie Kelly as Joan
Christopher Good as Quentin
Mary Waterhouse as Frances