The phone message heard at the beginning of this episode is essentially a part two of the message heard on the previous episode, as both concern a typographical error in a newspaper's want ad for goats.
The Watteau painting at the heart of the plot, Pilgrimage To Avignon, is not real. Watteau did a painting, named Pilgrimage To Cythera.
The movie poster for "Wings of Deceit" seen on the wall is a poster for "Legion of Lost Flyers" (1939) with the just the title changed.
In addition to directing this episode, James Coburn acted alongside James Garner in The Great Escape (1963), The Americanization of Emily (1964) and Maverick (1994). They also appeared in the 1999 TV movie Shake, Rattle and Roll: An American Love Story, although Garner only appears as an uncredited audience member.