"What has you knocking on my shingle?" Gotta love the way Castle talks during this 1947 dream sequence, which makes up a bulk of "The Blue Butterfly."
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Castle is looking for a dame in this clip from "The Blue Butterfly." Well, a fantasy version of Castle at least.
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Castle loves what he sees in this clip from "The Blue Butterfly." Or, to be more specific, what he reads.
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Why does Castle travel back to 1947 on "The Blue Butterfly?" This sneak peek gives fans an idea.
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In this fantasy sequence from the fun Castle episode "The Blue Butterfly," Kate and Rick are described as a "walking fairy tale." We love it!
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What an incredible fun clip from Castle. Watch Rick and Kate take on old school personas in this look at "The Blue Butterfly."
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Castle takes us back to 1947 on this fun episode. Enjoy the ABC preview for "The Blue Butterfly" now!
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Castle Season 4 Episode 14 Quotes

Where have you been all my life?

Castle

Keep 'em coming pal, you're doing great.

Castle