Blue Bloods has Marisa Ramirez as a full-time cast member. This is a photo from Season 4.
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Erin and Danny argue when she must release a suspect due to lack of evidence on the season premiere of Blue Bloods. "Unwritten Rules" is the first episode of the show's fourth season.
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Marisa Ramirez is now a series regular on Blue Bloods. She is Danny's permanent partner.
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The Reagans watch as another crisis takes place on the season finale of Blue Bloods. "This Way Out" is the 23rd episode of the show's third season.
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Vinny and Jamie are called to the scene when a young mother threatens to jump with her infant on Blue Bloods. "The Bitter End" is the 22nd episode of the show's third season.
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Danny questions a man covered in his girlfriend's blood on Blue Bloods. "Devil's Breath" is the 21st episode of the show's third season.
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Tensions rise between Danny and Linda when they disagree over a judgement call at work on Blue Bloods. "Ends and Means" is the 20th episode of the show's third season.
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Danny and Detective Baez investigate when a devoutly religious woman is found dead in a cemetery on Blue Bloods. "Loss of Faith" is the 19th episode of the show's third season.
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Danny works a series of violent cases where the victims appear to be chosen at random on Blue Bloods. "No Regrets" is the 18th episode of the show's third season.
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Welcome to Blue Bloods, Marisa Ramirez. The actress debuts here as Danny's new partner.
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Erin worries when her witness is spotted by photographers on Blue Bloods. "Protest Too Much" is the 17th episode of the show's third season.
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A basketball game leads to a rift between friends on Blue Bloods. "Quid Pro Quo" is the 16th episode of the show's third season.
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Blue Bloods Quotes

I can tell you what the Irish in me truly dreads, ultimatums delivered in British accents.

Frank

I want peace for the good people of the Bitterman House. If I've got to step on your throat to get it, so be it.

Danny