GRANADA

After the fall of Granada, viewers witness King Ferdinand and Queen Isabella’s triumphant march into the Alhambra. Muslims and Jews are promised protection, as under Moorish law. But they fear religious intolerance—and the “Holy Inquisitors.” From Seville: reports of mass burnings. War’s end shifts the monarch’s attention to another matter; funding a daring expedition proposed by a persistent young Italian sailor, Christopher Columbus. 30 minutes.