The Reagan Legacy Continues: Everything We Know About The Blue Bloods Series Finale And The New 'Boston Blue' Spin-Off

The iconic Reagan family dinner table is officially cleared, but the law enforcement legacy is far from over. As of late 2025, the long-running CBS police procedural, Blue Bloods, has concluded its remarkable run with the emotional conclusion of its fourteenth and final season. The series finale, titled "End of Tour," aired on December 13, 2024, bringing to a close 14 years of New York City police drama centered around the multi-generational Reagan family.

The biggest news for fans is not the ending, but the beginning of a new chapter: a confirmed spin-off series, Boston Blue, which premiered on CBS in the 2025-2026 broadcast season. This new show takes the action out of the NYPD's familiar territory and follows one of the most beloved Reagan sons to a brand new city. This is the definitive guide to the final moments of the original series and the exciting new universe expansion.

The Reagan Family: A Complete Biography of the Main Cast

The heart of the Blue Bloods TV program was the fictional Reagan family, an Irish Catholic dynasty dedicated to law enforcement in New York City. For over a decade, the main cast delivered compelling performances that made the family dynamic one of the most successful elements of the show. Here is a look at the actors who brought the Reagans to life, including their notable careers outside of the NYPD drama.

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• Tom Selleck (Frank Reagan, NYPD Commissioner)

  Role: The patriarch and Police Commissioner of the NYPD. Frank Reagan is the moral compass of the family, constantly navigating the political pressures of his office while maintaining his integrity.

  Biography & Notable Roles: Born January 29, 1945, Tom Selleck is an American icon. His breakout role was playing private investigator Thomas Magnum in the hit 1980s detective series Magnum, P.I., which earned him a Golden Globe and an Emmy Award. He is also known for his film roles in Three Men and a Baby and his long-running Western TV film series, Jesse Stone.

• Donnie Wahlberg (Danny Reagan, Detective First Grade)

  Role: Frank's eldest son, a tough, street-smart NYPD Detective who often bends the rules to get justice. Danny is the central figure in the new spin-off, Boston Blue.

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  Biography & Notable Roles: Born August 17, 1969, Donnie Wahlberg is a singer, actor, and producer. He first gained massive fame as a founding member of the 1980s and 1990s boy band New Kids on the Block (NKOTB). His acting career includes notable film roles in the Saw franchise and the HBO miniseries Band of Brothers.

• Bridget Moynahan (Erin Reagan, Bureau Chief)

  Role: Frank's only daughter, a high-ranking prosecutor in the New York County District Attorney's Office. Her storylines often provide the legal counterpoint to her family's policing work.

  Biography & Notable Roles: Born April 28, 1971, Bridget Moynahan is an American actress and former model. She achieved her breakout film role as a dancer in the movie Coyote Ugly (2000). Her other major film credits include The Sum of All Fears (2002), The Recruit (2003), and the science-fiction movie I, Robot (2004).

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• Will Estes (Jamie Reagan, Sergeant/Officer)

  Role: Frank's youngest son, a Harvard Law School graduate who chose to follow the family tradition by becoming a beat cop, eventually rising to the rank of Sergeant. He is married to his former partner, Eddie Janko (Vanessa Ray).

  Biography & Notable Roles: Born October 21, 1978, Will Estes is an American actor whose career progressed from child roles. Before Blue Bloods, he was best known for his role as JJ Pryor in the critically acclaimed television drama American Dreams.

• Len Cariou (Henry Reagan, Former NYPD Commissioner)

  Role: Frank's father and a former Police Commissioner, Henry represents the oldest generation of the Reagan law enforcement family. His wisdom is a constant presence at the Reagan family dinner table.

  Biography & Notable Roles: Born September 30, 1939, Len Cariou is a Canadian actor and singer, highly celebrated for his work on the stage. He is best known to musical theater aficionados for originating the lead role of Sweeney Todd in Stephen Sondheim’s musical Sweeney Todd: The Demon Barber of Fleet Street on Broadway. His extensive career includes numerous Shakespearean roles and a Tony Award win.

The Final Chapter: Blue Bloods Season 14 Part 2 and 'End of Tour'

The fourteenth and final season of the original Blue Bloods TV program was split into two parts, a decision that extended the Reagan family's story into late 2024. Part 1 concluded in May 2024, and the series returned for the second half of the final season on Friday, October 18, 2024, with eight concluding episodes.

The final episodes focused on wrapping up long-running storylines and providing closure for the Reagan family members. The series finale, the 293rd episode overall, was titled "End of Tour" and aired on December 13, 2024. The episode was designed to honor the show's legacy, ensuring that family remained at the center of the story, as it always had been.

Key moments from the finale included:

• Danny and Baez: The professional partnership between Detective Danny Reagan and Detective Maria Baez (Marisa Ramirez) was a major focus, with the finale providing a sense of resolution for their long-standing dynamic.
• Jamie and Joe: The finale saw the two youngest Reagans, Jamie and his nephew Joe Hill (Will Hochman), teaming up on a case involving gang shootings, a nod to the future of the family's presence in the NYPD.
• Erin Reagan: The final episode touched upon Erin’s personal life, with a suggestion that she and her ex-husband, Jack Boyle, might be getting remarried, offering a hopeful ending for the Bureau Chief.
• Frank Reagan: The plot for the final part of the season centered on Commissioner Frank Reagan being on a mission, a narrative thread that supported the popular fan theory that the series would end with Frank choosing to retire, passing the torch to the next generation.

The New Era: Donnie Wahlberg's 'Boston Blue' Spin-Off (2025)

While the original Blue Bloods police procedural has ended, the Reagan universe is expanding with the highly anticipated spin-off, Boston Blue. This new series, which premiered on CBS on October 17, 2025, is executive produced by and stars Donnie Wahlberg, reprising his role as Danny Reagan.

The premise of Boston Blue sees Detective Danny Reagan making the significant move from his familiar New York City environs to Boston, Massachusetts, where he joins the Boston Police Department (BPD). This shift in location provides a fresh backdrop and new law enforcement challenges, moving the narrative away from the NYPD's First Family while retaining the core themes of a combination police procedural and family drama.

Key Details on the Boston Blue Cast and Plot

The spin-off introduces new characters to the established universe, most notably:

• Sonequa Martin-Green (Det. Lena Silver): Known for her roles in Star Trek: Discovery and The Walking Dead, Martin-Green stars opposite Wahlberg as Detective Lena Silver, Danny's new partner in the BPD.
• Blue Bloods Cameos: To bridge the two series, several original cast members are confirmed to appear in *Boston Blue*. Bridget Moynahan (Erin Reagan) and Marisa Ramirez (Det. Maria Baez) made cameo appearances in the spin-off's premiere, establishing the connection between the New York and Boston stories.
• Universe Expansion: *Boston Blue* is created by Brandon Sonnier and Brandon Margolis, and is set to continue the legacy of the original show by exploring the complexities of police work and family life in a new city. The show promises to deliver the same blend of intense crime fighting and intimate family moments that made the original a Friday night staple for over a decade.

The transition from the final *Blue Bloods* episode, "End of Tour," to the launch of *Boston Blue* marks a successful evolution for the franchise. It allows the original series to conclude gracefully while leveraging the popularity of a central character, Danny Reagan, to explore a new city and new dynamics in the ongoing saga of law enforcement on television. Fans of the original show can look forward to a fresh take on the classic police procedural format, keeping the spirit of the Reagan family alive and well in the 2025-2026 TV season and beyond.