The Rockford Files
The Gang at Don's Drive-In
S4 E15:
Anthony Zerbe guest-stars as a washed-up author who inveigles his old friend Jim Rockford into researching a high school class of ' 62 -- and in the process, Rockford uncovers the cover-up of a homicide committed several years earlier.
Starring
Anthony Zerbe, Arlene Golonka, Mills Watson