I wish I could select more than one answer. My fav combo is compelling characters/character-driven & action. Especially if it's an animated series.

Funny dialogue is a plus, too.

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"One day. Someday. It'll come. It'll be permanent, unequivocal and undeniable. Let none put us asunder. You and I."

sincerity

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Everything and all of the above. It's gotta have an all-around appeal, and a bit of the above makes for one awesome story.

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That's what she said.