This article tries to examine the way in which two recent productions of documentary cinema configure audiovisual archives based on the testimonies and the documents of the children of militants that experienced the collectivized life in Cuba, as it is narrated in La guarderia (Virginia Croatto, 2016), regarding the children of the Montoneros militants who returned to Argentina under the so-called "Counter-offensive", and El edificio de los chilenos (Macarena Aguilo, 2010), regarding the children of the MIR when they returned to Chile in " Operation Return" at the end of the seventies.