This paper is the result of several teachers-training meetings in which we have discussed the uses of cinema in classrooms and in education. It aims to share some questions as well as possible answers built together during these meetings. In particular we focus on how to determine what could be considered a good movie, how can we pedagogically intervene a movie, what can be considered, from a philosophic point of view, to be specifically cinematographic and, finally, what contributions can films make to education.El presente texto es parte de diversas experiencias de capacitación con docentes para el uso del cine en la escuela. Tiene como objetivo compartir preguntas y posibles respuestas construidas en el marco de estas experiencias. En p...