Episode 5.01: Bury Your Dead
Airdate: September 25, 2007
* 08/22 - The final showdown between the NCIS team and an elusive arms dealer reaches an explosive and deadly conclusion.

Recurring cast: Jeanne Benoit - Scottie Thompson, Jimmy Palmer - Brian Dietzen. Guest cast: La Grenouille - Armand Assante, Trent Kort - David Dayan Fisher, Henri Rousseau - Mesrop Agjanyan, Col. Jasper Shepard - Webster Williams. Source: CBS
Episode 5.02: Fever
Airdate: October 2, 2007
* 07/25 - The team is trying to find out who killed a Petty Officer and a young woman. The matter complicates when a baby is involved and goes missing. Abby and Ducky also appear. Source: SpoilerFix.com
Episode 5.03: Ex-File
Airdate: October 9, 2007
* 08/15 - In episode 5.03, the connection between Gibbs and one of the suspects is that [highlight if you want to be that spoiled... the latter is dating one of Gibb's ex-wives! ] Source: SpoilerFix BuddyTV Spoilers Chat
* 08/04 - A Captain from Defense Intelligence is found dead in his house by his wife and her friend. The team has a few leads right from the start. It gets interesting when one of the suspects has an interesting connection to Gibbs. Abby gets help from a 'cyber' from the DIA. Source: SpoilerFix.com
Episode 5.04: Identity Crisis
Airdate: October 16, 2007
* 08/24 - The team investigates a dead John Doe when Ducky discovers the man has been killed instead of just died. It soon turns out he was involved in shady business: identity erasing and such. Ziva bonds with a woman after initial awkwardness. Fornell and Abby are also in this episode. Source: SpoilerFix.com
Episode 5.05: Chimera
Airdate: October 23, 2007
* new 08/27 - The Team is choppered aboard a secret Navy vessel after a mysterious death of one of the crew members. Jenny takes on a fight against the commander of the mission the ship was on. Ziva is getting more and more acquainted with movie vernacular, to the delight of Tony. Source: SpoilerFix.com