Nick wonders what Gibbs' rule is for "there is no such thing as coincidence". It is #39, first mentioned in Obsession (2010).
Mark Twain claimed to be the first person to write a novel on a typewriter, but he dictated the novel so technically his secretary was the first.
James MacDonald previously appeared as a different character, Captain Faul, in season one's "Hung Out to Dry (2003)".
This is the fourth episode title to include a character's name, following Kill Ari, Sharif Returns, and The Penelope Papers.
First episode where Gibbs affectionately kisses Kasie like he used to Abby when given information.