was the eleventh episode of the first season of The Famous Five television series, premiering on September 18, 1978 , on ITV . This episode, like the rest of the Southern Television series, updated Enid Blyton's 1956 novel with a contemporary late-1970s aesthetic, featuring the children in modern attire like jeans and polo shirts. Episode Summary
The adventure begins when Anne and George witness strange flashing lights coming from the abandoned cottage at night. "The Famous Five" Five on a Secret Trail(1978)
They soon discover a gang of criminals is using the cottage to search for a hidden secret tunnel. This tunnel reportedly contains a "precious blueprint" that the criminals are desperate to recover. was the eleventh episode of the first season
Some viewers criticized the 1978 adaptation for its use of "dark filters" during nighttime scenes, which can make the footage difficult to see even in remastered versions. They soon discover a gang of criminals is
This series was recorded on film rather than video tape, making it one of the most expensive children’s shows produced at that time.
