Blue Bloods returned with a new episode on CBS featuring the return of Erin Reagan's ex-husband, Jack Boyle (Peter Herman), which upset some fans. The Reagan family members were involved in different cases, including Frank rethinking his promotion of a hero cop who shared explicit images online, Danny dealing with racist eyewitness accounts, and Jamie and Eddie working on a case involving a close friend. Erin contacted Jack after being accused of causing a former colleague's suicide, leading to mixed reactions from viewers. Some expressed their dislike for the character, while others hoped to see more of him and speculated on whether he and Erin would reconcile.