80s are lost or destroyed. The archive has  millions of tapes in kilometers of shelves, that werent cataloged  with computers, from 1964, the year TVE started recording its  programs, to 1987. From the first season, which had 54 chapters,  only three have survived or are located, "El terror", "El mundo de  los toros" and "El Circo", the last one being found just two years  ago (2004), and from the second season, being 83 chapters long, only  a dozen have been found. Its only from the third season when a big  amount of chapters are located, but the first season that is  completely located in the archives is the sixth season from 1987.  The rest of the seasons are all incomplete.