“Castle… should I be worried about your commitment to our engagement?”

That question pops out of Beckett’s mouth in Monday’s episode of Castle (ABC, 10/9), and we’ve got an exclusive sneak peek at the rest of that loaded conversation — including what prompts it.

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In “Limelight,” which concerns the death of a troubled pop tart, Rick grabs a headline of his own when a provocative news story about him and ex-wife Gina lands in the papers.

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Press play to hear Castle’s explanation — as well as see what larger issue the tabloid tale turns up.