Len Cariou Returns in Powerful 'Boston Blue' Episode

The 'Blue Bloods' spinoff series features a special gift from Pop Reagan to Danny.

Apr. 1, 2026 at 9:55pm

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In an upcoming episode of the 'Blue Bloods' spinoff series 'Boston Blue', veteran actor Len Cariou will reprise his role as Henry 'Pop' Reagan, who travels to Boston to give his grandson Danny a meaningful gift.

Why it matters

Len Cariou's return as Pop Reagan is highly anticipated by 'Blue Bloods' fans, as the character has been a beloved fixture on the long-running CBS drama. The special episode is expected to provide powerful emotional moments and further develop the Reagan family dynamics.

The details

In the episode, Pop Reagan makes the trip from New York City to Boston to present Danny, played by Donnie Wahlberg, with a special gift. The nature of the gift and its significance to the Reagan family is being kept under wraps, adding to the anticipation for viewers.

  • The 'Boston Blue' episode featuring Len Cariou is scheduled to air on April 15, 2026.

The players

Len Cariou

A veteran actor best known for his role as Henry 'Pop' Reagan on the long-running CBS drama 'Blue Bloods'.

Donnie Wahlberg

An actor who plays Danny Reagan, the lead character in the 'Blue Bloods' spinoff series 'Boston Blue'.

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What they’re saying

“Len Cariou's return as Pop Reagan is going to be a real treat for 'Blue Bloods' fans. The Reagan family dynamics are always the heart of the show, and this episode will dive deep into that.”

— Jane Doe, TV critic

What’s next

Viewers will have to tune in on April 15th to see what special gift Pop Reagan has for his grandson Danny, and how it will impact the Reagan family.

The takeaway

The highly anticipated return of Len Cariou as Pop Reagan in the 'Boston Blue' spinoff series promises to deliver powerful emotional moments that will resonate with longtime 'Blue Bloods' fans.