Erin is shaken up when someone breaks into her apartment and later attacks one of her coworkers on Blue Bloods. "Occupational Hazards" is the 17th episode of the show's fifth season.
Things take a dangerous turn at the courthouse when Erin is taken hostage on Blue Bloods. "To Protect and Serve" is the third episode of the show's fourth season.
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.
Erin discusses giving Nicky more freedom over Sunday's family dinner on Blue Bloods. "Higher Education" is the eighth episode of the show's third season.