Hill Street Blues (1981)

Season 1: Episode 10

Renko gets put out when a Division homicide detective ridicules his efforts to learn who killed a 15-year-old prostitute; Furillo learns that he may be in line for a promotion to commander; LaRue and Washington have a surprise for Hunter during his annual Alligator hunt in the city sewers; and Fay asks Furillo's help with an obscene phone caller.