Tracy Nelson guest starred in this episode. She is Mark Harmon's niece and daughter of Ricky Nelson.
The episode won an Emmy Award for Outstanding Writing in a Drama Series.
The title refers to the play "The Women" which opened on 7 September 1937 and had 666 performances at the Ethel Barrymore Theatre in New York.
Blythe Danner (Paige Gerradeaux) was married to the series' executive producer Bruce Paltrow, who directed this episode, from 1969 until his death in 2002.