"Galloping Foxley", which Dahl claimed was based on a true story, is about a man named William Perkins, described as a "contented commuter" but in fact obsessed by routine.
One day his routine is shattered by the arrival of a newcomer who takes first his place at the station, and then sits in the carriage Perkins normally has to himself.
At school, Foxley was a prefect who used Perkins as his personal slave, viciously abusing him mentally and physically.
To his surprise, the man opposite states he is pleased to meet him, before introducing himself as Jocelyn Fortescue, who went to Eton College in 1916.
In the television version, however, Perkins creates a scene and recounts to the other passengers the misery he suffered at the hands of the newcomer.