Watch Castle Online: Season 8 Episode 5

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When an art transporter is murdered and a priceless painting stolen, it's up to Castle to convince a woman with an extremely heightened sense of smell to help sniff out the killer in Castle Season 8 Episode 5

Not only does Mia's smelling abilities sideline Esposito and Ryan but the boys face even bigger challenges when only one of them passes the Sergeant's exam. Looks like Castle will only need one of those bottles of Champagne. 

And when Mia makes it clear that Beckett is still madly in love with Castle, will it change the course of this separation?

Find out when you watch Castle online here at TV Fanatic. 

C. Orlando is a TV Fanatic Staff Writer. Follow her on Twitter.

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Castle Season 8 Episode 5 Quotes

Do you always eat kale for breakfast because that is just wrong.


Our witness is threatening to file a complaint against me for assault with a deadly odor. She says that I smell like soiled baby diapers and Javi's cologne is quote, "satan's butt sweat."