After Christine Lahti joined the ensemble cast in Stand (1995), she and Adam Arkin alternated (with one exception) first and second listing in the opening credits. After Lahti left the cast at the end of Season 5, Arkin and Mark Harmon alternated first and second listing.
In the 100th episode, names of executive producers Bill D'Elia and John Tinker were spelled "Bill Delia" and "John T'Inker".