The general opinion of “Revenge of the Sith” seems to be that it marks a distinct improvement on the last two episodes, “The Phantom Menace” and “Attack of the Clones.” True, but only in the same way that dying from natural causes is preferable to crucifixion.
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The prize for the least speakable burst of dialogue has, over half a dozen helpings of “Star Wars,” grown into a fiercely contested tradition, but for once the winning entry is clear, shared between Anakin and Padmé for their exchange of endearments at home:

“You’re so beautiful.”
“That’s only because I’m so in love.”
“No, it’s because I’m so in love with you.”