Official episodic photos for the NCIS season 13 finale, “Family First,” airing Tuesday, May 17.

From CBS: “NCIS, FBI and MI6 continue an international manhunt for an escaped British spy who is targeting current and former agents.”

#8 Listening Outside a Conference Room

#7 Tony

#6 Tony Says Goodbye to McGee and Bishop

#5 Tony Says Goodbye to Ducky and Palmer

#4 Tony Says Goodbye to Gibbs

#3 Gibbs

#2 Laura San Giacomo Returns as Doctor Grace Confalone

#1 Tony and His Father