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Boston Blue S1E9 — Collateral Damage

7.4

Boston Blue•Season 1•Episode 9

Collateral Damage

7.4/10 · 274 votesDec 19, 202544 min

Ranked #8 of 20 in Season 1•matches the season avg

Mae faces public and family backlash over the consequences of her past decisions, while Sarah struggles with guilt that pushes her to take risks in pursuit of justice. At the same time, Lena and Danny dive into a tense homicide case, and Jonah's anger over

Directed byRandall Zisk

Written byEstevan

Previous episodeE8 · In the Name of the Father, and of the Son...Next episodeE10 · Hard Truths

Seasons2

Cast7

Donnie Wahlberg

Donnie Wahlberg

Det. Danny Reagan

Sonequa Martin-Green

Sonequa Martin-Green

Det. Lena Silver

Ernie Hudson

Ernie Hudson

Rev. Edwin Peters

Maggie Lawson

Maggie Lawson

Supt. Sarah Silver

Gloria Reuben

Gloria Reuben

DA Mae Silver

Marcus Scribner

Marcus Scribner

Ofc. Jonah Silver

Mika Amonsen

Mika Amonsen

Ofc. Sean Reagan

Crew2

Randall Zisk

Randall Zisk

Director

E

Estevan

Writer

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Episode Summary

"Collateral Damage" is episode 9 of Boston Blue season 1. It scored 7.4/10 from 274 votes, ranking #8 of 20 episodes this season (season average 7.4). Directed by Randall Zisk and written by Estevan, it aired on December 19, 2025.

Next: E10 · Hard Truths Best of Season 1