This article seeks to study the evolution of the genre of contemporary Spanish televised miniseries and its principle characteristics. Taking the definition of this genre as our starting point, we chose contemporary Spanish miniseries as our object of study, given that few academic studies have considered it until now. We focus our analysis on the miniseries produced between 2000 and 2012, a period during which the genre consolidated in Spain, and from this analysis, we identify the characteristics that explain its success. We will also analyze the rankings of the most-watched shows in Spain during the first decade of the 21st century.Este artículo, partiendo de la definición del género de la miniserie, se propone aportar una breve historia del mismo en la televisión española. Nos centraremos en analizar las miniseries que se realizaron desde el año 2000 hasta el 2012, período de la consolidación del género en España, y se señalarán las características que favorecieron su éxito.