Erin and Anthony must track down a fearful witness who has fled before trial on Blue Bloods. "The Extra Mile" is the 21st episode of the show's sixth 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 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.
Erin's ex-husband comes back to town and ends up being opposing council in court on Blue Bloods. "Old Wounds" is the third episode of the show's third season.