The Rockford Files - Season 1 - Eps 20: The Four Pound Brick
A cop dies in an accident that his mother refuses to accept. Rocky offers Jim's services free of charge. After begrudgingly accepting the case he discovers that dirty cops might be involved which then pits him against a very angry Lt. Diel.
About The Rockford Files

Title: The Rockford Files
First Air Date: 1974-09-13
Last Air Date: 1980-01-10
Status: Ended
Rating: 7.541/10 (from 109 votes)
Language: EN
Seasons: 7
Total Episodes: 122
Network: NBC
Genres: Crime, Drama, Mystery
Production Companies: Universal Television, Roy Huggins-Public Arts Productions, Cherokee Productions
Synopsis
Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.
Cast

James Garner
Jim Rockford

Noah Beery Jr.
Joseph "Rocky" Rockford