Since Blue Bloods is one of the most successful police procedurals ever, the hit TV show developed a passionate fan following. In fact, Blue Bloods has the kind of fans who wanted to know why Jennifer Esposito left the show and about Tom Selleck’s willingness to get rid of his iconic mustache for the show. While Blue Bloods fans were sad when they first learned that the show was ending, they did get a respite when the spin-off show Boston Blue was announced.
Even though it will be a while yet before Blue Bloods fans get to watch Boston Blue, some news about the upcoming show has been released. This article will detail what is known about Boston Blue so far.
When Will Boston Blue Premiere?
On September 24th, 2010, the first episode of Blue Bloods premiered on CBS. While the show would go on to become a hit, it didn’t have a pre-existing fan following that was counting down the days until that episode aired.
Since Boston Blue is following in the footsteps of Blue Bloods, things are different for it. Not only are there millions of Blue Bloods fans who are looking forward to the upcoming show, CBS is trying to tantalize them even more.
Since CBS wanted Boston Blue to be a huge deal, they began promoting the show months in advance. Thanks to that promotion, some basic facts about Boston Blue’s upcoming premiere have already been released.
In March 2025, Deadline published an article about CBS’s attempts to get viewers excited about its upcoming shows.
Blue Bloods Characters Ranked, According to Screen Rant | |
---|---|
Blue Bloods Character | Rank |
Bugs | #10 |
Erin Reagan | #9 |
Anthony Abetemarco | #8 |
Danny Reagan | #7 |
Linda Reagan | #6 |
Nicky Boyle-Reagan | #5 |
Abigail Baker | #4 |
Henry Reagan | #3 |
Jamie Reagan | #2 |
Frank Reagan | #1 |
That article revealed that at that time, CBS had begun airing 10-second ads promoting the premiere of Boston Blue.

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Boston Blue’s Recent Casting News Makes The Show Much More Exciting
Boston Blue just announced a major casting decision that should make Blue Bloods fans much more excited about the upcoming spin-off.
Thanks to that article, it can be confirmed that Boston Blue is set to premiere as a part of CBS’ Fall 2025 schedule.
Typically, the Fall TV schedule starts airing in September every year. While the exact premiere date of Boston Blue hasn’t been confirmed yet, that makes it reasonable for fans to expect to watch Boston Blue sometime around September 2025.
Who Will Be Starring In Boston Blue?
When plans for Boston Blue were announced, Blue Bloods fans only knew one thing about the upcoming show’s cast. From the start, it was clear that Boston Blue was going to be focused on Donnie Wahlberg’s Blue Bloods’ character, Detective Danny Reagan.
Since fans first learned that Donnie was set to star in Boston Blue, some more casting news has started to be released.
Donnie Wahlberg’s Most Famous Roles
- Blue Bloods
- Righteous Kill
- Saw IV
- Saw III
- Saw II
- Dreamcatcher
- Band of Brothers
- The Sixth Sense
- Ransom
To say that the news that fans have learned about Boston Blue’s cast is exciting is a huge understatement.

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Blue Bloods Star Donnie Wahlberg Made Fans Excited About His Upcoming Spin-Off, Boston Blue
Blue Bloods star Donnie Wahlberg revealed facts about the upcoming spin-off, Boston Blue, that have made fans very excited.
In May 2025, Closer Weekly published an article about the cast of Boston Blue that had been announced by that point. That article revealed that Boston Blue had already cast two extremely respected and talented actors.
The first actor who was announced to be joining Boston Blue’s cast was Sonequa Martin-Green. It seems very clear that Sonequa’s casting was a pivotal decision for the team behind Boston Blue. After all, Sonequa will be playing a character named Lena Peters who will be the partner of Donnie’s character Danny, when he goes to work for the Boston PD.
As a May 2025 Variety article reveals, Sonequa’s Boston Blue casting was announced at a press event for CBS’ 2025-2026 television schedule that was held in Los Angeles.
In May 2025, Sonequa Martin-Green posted on Instagram about joining the cast of Boston Blue. Alongside an image of herself with Donnie Wahlberg, Sonequa wrote about getting to work with him on Boston Blue. “And then the page turned and I said, ‘Wow Lord for real?!’ 😄 Grateful to be back in the @cbstv family. Honored to step into another beloved television legacy and make something new. Really excited for what God will do through this. Alright @donniewahlberg let’s go my friend! ♥️”
During that event, as quoted by Variety, Sonequa revealed how happy she was to be a part of Boston Blue’s cast.
It means a lot, and I’m grateful for it. I think we’re going to have a good time.
Amazingly enough, people looking forward to Boston Blue got even more amazing casting news in May 2025.
As Closer Weekly’s article revealed, the second actor was announced to be joining Boston Blue’s cast was Ernie Hudson. The article also contained CBS’ description of the character that Ernie will be playing as a part of Boston Blue’s cast.
“Reverend Peters, a renowned pastor of an historic Baptist church in Boston. An open-minded, welcoming man that is comfortable in all traditions, he is happy to preside at his church’s traditional Sunday Baptist service. Reverend Peters is the father of Mae Silver, Boston’s District Attorney, and grandfather of Det. Lena Silver, Superintendent Ashley Silver, and rookie patrol cop, Isaac Silver.”
In addition to knowing who will be playing three of Boston Blue’s main characters, more potential news about the show’s cast has been revealed.

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In April 2025, a Collider article summarized an appearance Donnie made on the “Morning Magic” podcast. During that podcast appearance, Donnie hinted at Boston Blue potentially featuring appearances from other Blue Bloods characters.
It will be a Danny Reagan-based show, but the Reagans are only a phone call away, and Danny Reagan likes to use the phone, that’s all I’ll say.
What Is Boston Blue About?
On top of knowing when they will get to watch Boston Blue and who will be starring in the show, there is one more main thing fans will want to learn. Blue Bloods fans want to know what Boston Blue is going to be about.
Since Boston Blue will be starring Donnie Wahlberg, Blue Bloods fans will already have a very good idea of what to expect from Detective Danny Reagan. What they may not know, however, is how Boston Blue will update Danny’s life.
As an Entertainment Weekly article that was updated in March 2025 details, Danny will find himself in a new situation when he goes to work for the Boston PD. After working with his family in the NYPD, Danny’s new partner, Lena Peters will be the one in that position. According to Entertainment Weekly’s article, it is the character Lena who has a prominent family member working in the Boston PD.
Aside from that, nothing else has been revealed about Boston Blue’s plot to date.