The first appearance of Ron Carey on the series, albeit as a criminal. He would return as Officer Carl Levitt in the third season.
Doctor Craine references going on strike "to remind my colleagues that what happens in California, happens in New York, and vice versa." This is referencing the January 1976 physician strike in Los Angeles, which lasted approximately one month.
Since it's the last show of the season, it's the last time Hal Linden as Barney must appear in a cast for an injury he sustained at home.