Aired: 9/20/1979
Barnaby grudgingly begins to suspect that an arson investigator that he has trusted for years is involved in setting fires and then ruling them as accidental in order to get a cut of the insurance money.
Aired: 9/27/1979
Aired: 10/11/1979
Aired: 10/18/1979
Aired: 10/25/1979
Aired: 11/1/1979
Aired: 11/8/1979
Aired: 11/29/1979
Aired: 12/20/1979
Aired: 12/27/1979
An ex-cop and friend of Barnaby looks to even the score when his son is killed by a gang leader. Barnaby gets involved and learns that the gang is actually being used as muscle by a crooked businessman who wants the ex-cop out of the way.
Aired: 1/3/1980
Aired: 1/10/1980
Aired: 1/17/1980
Aired: 1/31/1980
Aired: 2/7/1980
Aired: 2/14/1980
Aired: 2/21/1980
Aired: 3/6/1980
Aired: 3/13/1980
Aired: 3/27/1980
Aired: 4/3/1980