LOS ANGELES – NOVEMBER 4: "Faith"–Gibbs (Mark Harmon, left) tries to figure out what's behind his father's (special guest star Ralph Waite, right) recent change in behavior while he investigates the death of a reverend's enlisted son, on NCIS, Tuesday Dec. 15 (8:00-9:00PM, ET/PT) on the CBS Television Network. (Photo by Cliff Lipson/CBS via Getty Images)
LOS ANGELES – MARCH 28: "Berlin" — While the NCIS team investigates the murder of a Mossad officer in Virginia, Tony (Michael Weatherly) and Ziva (Cote de Pablo) depart for Berlin as they track her father's killer, on NCIS, Tuesday, April 23 (8:00-9:00 PM, ET/PT) on the CBS Television Network.