Hill Street Blues - Season 4 - Eps 11: Ratman and Bobbin
Bates and Coffey take over a storefront police/community relations project; a cop killer seems to be roaming the streets; Daryl Ann buys the wrong motorcycle for Renko; Joyce behaves oddly about buying a house; Leo and Ray try out an unorthodox method to get rid of the rats; and Daniels tries to short circuit Cleveland's corruption task force by exposing a network within the special Vice detail.
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