Barnaby comes out of retirement to track down his son's murderer with the help of Betty, his son's widow. They continue the detective agency's work in Los Angeles, with the help of Barnaby's home laboratory and homey philosophizing.
Last Episode08x22 The Killin' Cousin Aired: Apr. 03, 1980
Betty's cousin once removed, Donald Forest, asks her to investigate the death of his father, but before they can meet he is killed. William Tarkington …
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