Max Baer Jr.'s first credited television role. Just two years later he began the role of Jethro Bodine on The Beverly Hillbillies, which kept him steadily employed until 1971.
This was the episode that introduced Roger Moore as the Maverick family's British cousin Beauregarde Maverick.
The Cynthia B. river boat from season 3 is shown.
The title is a play on the phrase "Bundles for Britain", which was a program during World War II in which the USA sent clothes, food, supplies, etc., to assist war-torn England.
One scene paraphrases "The rain in Spain falls mainly on the plain" from "Pygmalion" as well as the play "My Fair Lady." It concludes with "By jove I think you've got it" which clearly shows that this was not a coincidence.