Time Code IV is a video programme that features the pieces included in the fourth Time Code, an international project founded in 1986 by a group of broadcast directors and programming heads from the most important television stations, along with independent producers from several countries. It uses television as a medium for visual communication and cultural exchange, respecting the identity of each participant and also guaranteeing that countries with fewer possibilities can take part with their own productions. The project is structured such that each of the participants produces a short piece by a video artist from their country and in exchange receives an international programme with all of the pieces produced by the other countries for the event. In each case, the main challenge is to create an international network of broadcast directors, programming heads and cultural programme producers to establish communication and cooperation in the field of images. Time Code I presented seven productions by internationally renowned video artists like Robert Cahen (Valence, 1945), Gusztav Hamos (Budapest, 1955), Brenda Miller (New York, 1941) and Xavier Villaverde (La Coruña, 1958). Time Code II featured twelve video clips under the generic title of Transfer Musical and included the Spanish piece Ruedo 360, 5600º K by Gustavo Martínez, which was acquired by the Museo Nacional Centro de Arte Reina Sofía for its presentation at the Moving Image Biennial. Time Code III, entitled Rituals of Love, presented seven videos related to the theme of love and included the participation of the Museo Reina Sofía.