Narcos is a crime-drama television series that aired on Netflix. It tells the true story of the rise and fall of notorious drug lord Pablo Escobar and the Medellín Cartel in Colombia during the late 20th century.
The TV series title in the poster is likely set in a narrow grotesque sans serif called Akzidenz Grotesk Medium Condensed. A free alternative that is similar is Antonio Regular, designed by Vernon Adams. The Antonio font family can be downloaded for free from the Fonts Used Section.