The show chronicles the life and death of drug lord Pablo Escobar, the ruthless boss of the Medellin Cartel and a known terrorist who was also a congressman, a family man and revered by the poor as a new Robin Hood.
Season 4 comes as a separate show called Narcos: Mexico.
Bryan Cranston from Malcolm in the Middle stars in this drama focused on a mid-life crisis gone bad for a high school chemistry teacher who turns to a life of crime.