[2] He was a series regular for the first three seasons and, after that, a reoccurring character, appearing in 63 out of 171 episodes of the show.

[3] Fish was an unusual character for a television detective: aged, grumpy, and suffering from a variety of maladies for which he constantly needs medication.

His most recurring malady was inflamed hemorrhoids, for which he would bring a donut cushion to his desk chair.

Fish's wife was Bernice, played by Florence Stanley, who appeared in six episodes.

[3] In that episode, three years after his previous appearance, he revealed that the PINS program had been shut down by the government due to funding cuts (although it was implied he was still in touch with the foster children and attempting to do what he could for them.)