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Season Three of NCIs opens on a melancholy note, as the Naval Criminal Investigate Service team headed by the iconoclastic Leroy Jethro Gibbs (Mark ...Show synopsisSeason Three of NCIs opens on a melancholy note, as the Naval Criminal Investigate Service team headed by the iconoclastic Leroy Jethro Gibbs (Mark Harmon) mourns the death of team member Caitlin "Kate" Todd (Shana Alexander) at the hands of ruthless terrorist Ari (Rudolf Martin) (though actress Alexander had left the series, she would return in "ghostly" form once or twice). Gibbs' response to the loss is encapsulated in the title of the two-part season opener, "Kill Ari", which introduces Cote de Pablo as new NCI member Ziva David, a former Mossad officer who also has a score to settle with Ari. Another new regular is introduced in the episode "Silver War": Lauren Holly as NCIs director Jenny Shepard, who replaces former director Tom Morrow (Alan Dale) when the latter joins the Homeland Security department. Jenny's arrival adds a whole new dimension to the series, inasmuch as she had previously been the partner--and lover--of Leroy Gibbs. In addition to these newcomers, together with longtime series stalwarts Michael Weatherly (Tony DiNozzo), Pauley Perrette (Abigail Sciuto), Sean Murray (Tim McGee) and David McCallum (Donald "Ducky" Mallard), the third season also marks the debut appearances of recurring characters Stephanie Mello as Cynthia Summer and Muse Watson as Michael Franks. Throughout the season, the viewer is offered seconds-lasting flashbacks to the jealously guarded past of NCI team head Gibbs, culminating in the revelation that the first of his three wives was murdered, along with his daughter. This information comes to surface during the two-part finale "Hiatus", wherein Tony DiNozzo is put in charge of the team while Gibbs is recovering from a serious injury which may rob him of his memory--a tragedy that could not happen at a worse time, inasmuch as Gibbs is the only person who knows the modus operandi of a vicious terrorist group which threatens the lives of everyone whom the viewer cares about! Incidentally, there's a bit of benevolent nepotism afoot during NCI's third season. Appearing in key roles as Michael Bellisario and Troian Bellisario--the real-life offspring of series producer/creator Donald P. Bellisario. Hal Erickson, RoviHide synopsis