Blue Bloods - Season 13 May 2026

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

: Jamie transfers to a new role as a Field Intelligence Sergeant . This position often requires him to keep secrets, even from his wife Eddie and the rest of the family, leading to personal and professional friction. 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

: 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 : The season finale brings back several recurring

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

: 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.

: Features the return of guest star Tom Cavanagh as Mickey Patrick, Danny’s childhood friend.