The Whole Kit and Caboodle"The war's over, the other side won." The final installment in the five-year run of "Boardwalk Empire" was an episode of goodbyes; genuinely and subtly, Nucky knew he had to say goodbye. The episode is titled "Eldorado" after the upscale apartment building, a staple-of the Central Park West skyline, that Nucky thinks of moving into, but Eldorado means something else: a city of gold, a place rich with opportunity.