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
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. "The Famous Five" Five on a Secret Trail(1978)
The adventure begins when Anne and George witness strange flashing lights coming from the abandoned cottage at night. was the eleventh episode of the first season
The Five eventually uncover the truth behind the "ghostly" lights and foil the gang's plot. Production & Reception premiering on September 18