<human>:  Why did Number 6 leave the village in the TV show ‘The Prisoner’?
<bot>: Number 6 was a spy for the British government. He was sent to the village to monitor the activities of the residents and to keep track of the movements of the mysterious Number 1. After being captured, Number 6 was held in the Village under the control of Number 1. When he escaped, Number 6 realized that he was being watched and that he had been set up. He left the village and never returned.