Beckett and Castle react with hesitation in this scene, and for good reason: Darby Stanchfield is back as Meredith.
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Well... this is awkward. Castle is stuck sharing his home with both Beckett and Meredith.
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Darby Stanchfield returns to Castle on "Significant Others." She bonds here with her daughter Alexis.
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Darby Stanchfield portrays Castle's ex-wife. She's back on the first episode of 2013.
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Darby Stanchfield is back on Castle. The actress reprises her role here as his ex-wife.
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This is a rather adorable photo of Beckett and Castle. It's courtesy of the episode "Significant Others."
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Castle Season 5 Episode 10 Quotes

Beckett I'm not going to leave you just because you're daughter is sick.

Richard, you're ex wife is here!

Martha