Hill Street Blues - Season 4 - Eps 12: Nichols from Heaven
The rats return; Esterhaus is hospitalized for tests; Bates, Coffey and Joyce try to protect a woman and her children from her abusive husband; the latest cop killing looks to be a hired gun copying the random killer; and the corruption investigation strikes close to Hill Street; Hill Street gets word of the murder of Marty Nichols.
About Hill Street Blues

Title: Hill Street Blues
First Air Date: 1981-01-15
Last Air Date: 1987-05-12
Status: Ended
Rating: 7.6/10 (from 109 votes)
Language: EN
Seasons: 8
Total Episodes: 146
Network: NBC
Genres: Drama, Crime
Production Companies: MTM Enterprises
Synopsis
A realistic glimpse into the daily lives of the officers and detectives at an urban police station.
Cast

Daniel J. Travanti
Frank Furillo

Michael Warren
Robert Hill

Bruce Weitz
Mick Belker

Robert Prosky
Stan Jablonski

James B. Sikking
Howard Hunter

Joe Spano
Henry Goldblume

Taurean Blacque
Neal Washington

Kiel Martin
J.D. LaRue

Betty Thomas
Lucille Bates

Dennis Franz
Norman Buntz