Who Killed Sara? (Spanish: ¿Quién mató a Sara?) is a Mexican mystery thriller streaming television series created by José Ignacio Valenzuela and produced by Perro Azul, which was released for Netflix on 24 March 2021. The series stars Manolo Cardona as Álex Guzmán, a man convicted for the murder of his sister, a crime that he did not commit. Season 2 premiered on 19 May 2021, two months after the release of the first one. At the end of the Season 2 finale credits, it is revealed that Season 3 is upcoming. Season 3 (the final season) premiered on May 18, 2022 on Netflix.