Boston Blue' Stars Tease Finale's Major 'Loss,' Cliffhanger & 'Stacked' Family Dinner

Family secrets revealed, Erin Reagan returns for a surprising story, and new characters are coming over for dinner.

Apr. 16, 2026 at 9:41pm

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An extreme close-up of shattered glass and plastic fragments reflecting dramatic studio lighting, conceptually representing the intense emotional drama and unexpected plot twists of the Boston Blue season finale.The dramatic season finale of Boston Blue promises to shatter expectations with a shocking loss, family secrets, and a 'stacked' dinner that will leave viewers desperate for more.Boston Today

The stars of Boston Blue teased some major developments in the remaining episodes of Season 1 at CBS Fest on Wednesday, April 15, in Los Angeles. Donnie Wahlberg, Sonequa Martin-Green, Mika Amonsen, and Marcus Scribner told TV Insider on the red carpet what to expect in the episodes, from Bridget Moynahan's return as Erin Reagan to a major 'loss,' a cliffhanger finale ending, and what Scribner calls 'the most stacked family dinner of all time' that will feature new characters.

Why it matters

Boston Blue is a popular new crime drama series on CBS that has built a loyal following in its first season. The finale promises to deliver high-stakes personal and professional drama that will have viewers on the edge of their seats and eager for the show's second season.

The details

In the Boston Blue Season 1 finale, 'A dangerous investigation collides with pivotal personal and professional decisions, pushing the team to their limits. As the D.A. election draws closer, shifting dynamics and an unexpected incident heighten the urgency and raise new questions for everyone involved.' Photos from the episode show the cast at a hospital, and Sean Reagan's (Mika Amonsen) hands are covered in blood, suggesting someone they love may die. 'I wasn't ready for how intense the finale is,' said Sonequa Martin-Green. 'Everybody goes through a transformation. We unearth a lot of things for everyone, and I think people are going to be satisfied, but then they're also going to [want] more.'

  • The Boston Blue Season 1 finale will air on Friday, May 22.
  • In Season 1 Episode 17, airing on Friday, May 1, Bridget Moynahan returns as Erin Reagan.

The players

Donnie Wahlberg

Stars as Danny Reagan on Boston Blue.

Sonequa Martin-Green

Stars as Lena on Boston Blue.

Mika Amonsen

Stars as Sean Reagan on Boston Blue.

Marcus Scribner

Stars as a rookie cop on Boston Blue.

Bridget Moynahan

Actress who returns as Erin Reagan in Season 1 Episode 17 of Boston Blue.

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What they’re saying

“I wasn't ready for how intense the finale is. Everybody goes through a transformation. We unearth a lot of things for everyone, and I think people are going to be satisfied, but then they're also going to [want] more.”

— Sonequa Martin-Green, Actress

“There's a lot of resolution in the finale up against a lot of loss. But the resolution, for all the characters in their lives, there's a lot of resolution that allows us to move forward.”

— Donnie Wahlberg, Actor

“We really hit our stride now in the back half of the first season. I think the audience is going to be blown away, honestly, at where we go.”

— Donnie Wahlberg, Actor

“It's going to be the most stacked family dinner of all time.”

— Marcus Scribner, Actor

“It's absolute fire.”

— Mika Amonsen, Actor

What’s next

Boston Blue Season 2 will premiere this fall on CBS.

The takeaway

The Boston Blue Season 1 finale promises to deliver high-stakes personal and professional drama that will leave viewers eager for the show's second season, with the return of Erin Reagan, a major loss, and a 'stacked' family dinner that will introduce new characters.