Gibbs leans in and tells Ziva something that makes her cry. Cote de Pablo and Mark Harmon never disclosed what he said to her but by lip reading it looks like: "Listen to me. You're home."
"In Memory of Robert 'Bob' Bryan" appears after the final scene.
When Gibbs stands up and walks towards Ziva, he leans in to whisper something. It looks like he's saying, "You're my daughter." Perhaps, in reference to Ziva calling Gibbs "the closest thing to a father that she has."
Erik Palladino later appears in the NCIS: Los Angeles (2009) series for 10 episodes as Vostanik Sabatino/Roger McAdams.
Ziva's address is shown as: 850 Adams street, NW, Washington, DC 2000, Although this is not a real address