First, I saw it as a nice trip across the history of Spain. But it is more. Second , I was tempted to see it as answer to another simmilar time travel series. But, no doubts, it is more. Better can be fair word but it is bitter for the fine connection between characters, for admirable reacreation of tension and melancholy, dilemmas and personal shadows. So, more a challenge than a simple Sci. Fi, serie.