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Boston Blue S1E14 — Blood Chemistry

7.3

Boston Blue•Season 1•Episode 14

Blood Chemistry

7.3/10 · 212 votesApr 10, 202643 min

Ranked #14 of 20 in Season 1•−0.1 vs season avg

Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way. Meanwhile, personal revelations and family concerns surface as the team navigates health scares, and growing public attention

Directed byBosede Williams

Written byDave Metzger

Previous episodeE13 · Beautiful Broken Things Next episodeE15 · For Those Who Weren't Heard

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

B

Bosede Williams

Director

D

Dave Metzger

Writer

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Episode Summary

"Blood Chemistry" is episode 14 of Boston Blue season 1. It scored 7.3/10 from 212 votes, ranking #14 of 20 episodes this season (season average 7.4). Directed by Bosede Williams and written by Dave Metzger, it aired on April 10, 2026.

Next: E15 · For Those Who Weren't Heard Best of Season 1