Cagney & Lacey (1982)

S7E3 Loves Me Not

Petrie earns his promotion to sergeant and departs from the series, as Carl Lumbly chose to leave. Meanwhile, Lacy steps in to mediate a conflict between neighbors, but her efforts backfire when the furious residents demand a Civilian Review Board. Just as tensions rise, David Keeler, having repaired his relationship with Chris, swoops in to help resolve the situation.