SEAN AND JONAH GO UNDERCOVER

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 on Boston Blue’s April 10 episode “Blood Chemistry.”

Meanwhile, personal revelations and family concerns surface as the team navigates health scares, and growing public attention brings new challenges.

With a story from Dave Metzger, “Blood Chemistry” was directed by Bosede Williams.

It airs Friday, April 10 (10:00-11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+

BOSTON BLUE

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"Blood Chemistry" -- Coverage of the CBS Original Series BOSTON BLUE, scheduled to air on the CBS Television Network. Pictured: Ernie Hudson as Reverend Peters. Photo: Brendan Adam-Zwelling/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.