Tadeo and Sara are now the parents of Olimpia (Oli), an adorable and intrepid two-year-old girl. And Momia isn't taking it well at all that he's no longer the center of attention. While on vacation in London, Sara tracks down a unique object: the magical lamp from *One Thousand and One Nights*. And Momia, consumed by jealousy, makes a wish: to travel back in time to when he was young and everyone ...