13 | Blue Bloods - Season

: Frank's grandson, Joe Hill, appears more frequently this season, often clashing with family protocol while working on joint task forces with the FBI.

: Following her adoption of a baby girl in the previous season, Detective Maria Baez balances the demands of motherhood with her high-stakes investigative work alongside Danny. Notable Episodes Blue Bloods - Season 13

: The season finale brings back several recurring characters and resolves key tensions from the DA race. Frank Reagan Tom Selleck NYPD Police Commissioner Danny Reagan Donnie Wahlberg NYPD Detective Erin Reagan Bridget Moynahan Assistant District Attorney Jamie Reagan Will Estes Field Intelligence Sergeant Henry Reagan Len Cariou Retired Police Commissioner Eddie Janko-Reagan Vanessa Ray NYPD Officer Maria Baez Marisa Ramirez NYPD Detective 13×13 Past History – Thoughts on Jamko : Frank's grandson, Joe Hill, appears more frequently

Season 13 of Blue Bloods premiered on , continuing the multi-generational saga of the Reagan family in New York City law enforcement. This season focuses on internal family friction and significant professional shifts, particularly for Erin and Jamie. Key Storylines Frank Reagan Tom Selleck NYPD Police Commissioner Danny

: A major arc throughout the season is Erin Reagan's run for Manhattan District Attorney. This creates tension with Frank, who refuses to publicly endorse her to maintain his professional neutrality, causing a rift at the family dinner table.

: The season opener features Jamie being shot during a domestic violence case, bringing the family together at the hospital.