When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team. Air Date : 20th-Oct-2009

As the hunt for Ziva's replacement begins, Gibbs and his remaining team members must head back to work with the past still weighing heavily on their minds. Air Date : 22nd-Sep-2009  Read More

The team discovers the bizarre death of a Marine and his two friends may be linked to their past, but its Gibbs who ends up taking a trip down memory lane. Air Date : 29th-Sep-2009  Read More

The team must take a second look into the death of a lieutenant after the blogger who accused them of a cover-up ends up dead. Air Date : 6th-Oct-2009  Read More

When a Marine's body surfaces halfway around the world, the investigation forces Ziva to dig up a buried chapter of her life. Air Date : 13th-Oct-2009  Read More

When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team. Air Date : 20th-Oct-2009  Read More

A murder investigation prompts Gibbs and the team to play family counselor to his former mentor, Mike Franks, in the hopes of preventing a bloody international conflict. Air Date : 3rd-Nov-2009  Read More

With the team's help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger. Air Date : 10th-Nov-2009  Read More

The team literally finds themselves in the dark when the investigation into the death of a lieutenant is connected to a city-wide blackout. Air Date : 17th-Nov-2009  Read More

Dead Marine's day job at a government think tank leads Gibbs and the team into the life of a 12-year-old prodigy who may be the killer's next target. Air Date : 24th-Nov-2009  Read More

The body of the son of a retired Colonel-turned-preacher is found and the team have their suspicions that he may be the victim of a hate crime. Meanwhile, Gibbs gets a holiday visit from his father. Air Date : 15th-Dec-2009  Read More

When a Navy pilot is found dead under strange circumstances in a secluded area, the team finds themselves battling a no-nonsense attorney with a hidden agenda. Air Date : 5th-Jan-2010  Read More

Gibbs is worried about Tony's ability to handle his job when Tony's father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince. Air Date : 12th-Jan-2010  Read More

While on the flight back from Paris, Tony and Ziva realize that their assignment to protect a government witness in an embezzlement case is in great danger when they learn that an assassin is located on the same flight. Air Date : 26th-Jan-2010  Read More

The team finds themselves in a race against time when a terrorist group threatens to detonate a "dirty bomb" in the D.C. area. Air Date : 2nd-Feb-2010  Read More

When a Marine is found dead, Gibbs, Fornell and the team hit the open road to bust an illegal trucking operation. Air Date : 9th-Feb-2010  Read More

Secrets arise when Gibbs former mother-in-law surfaces as a witness in a murder investigation. Air Date : 2nd-Mar-2010  Read More

Gibbs and the team investigate the shooting of a Marine and uncovers more to his life than anyone would have ever imagined. Air Date : 9th-Mar-2010  Read More

The team discovers striking similarities between themselves and their CGIS (Coast Guard Investigative Services) counterparts when a Navy diver seeking sunken treasure is found dead. Air Date : 16th-Mar-2010  Read More

The death of a Navy officer leads Gibbs and the team into the world of high-priced call girls, relying on D.C. Madam Holly Snow to help them catch a killer. Air Date : 6th-Apr-2010  Read More

When an NCIS polygraph specialist's night job takes a dangerous turn, Gibbs, Fornell and the team have to uncover the truth. Air Date : 27th-Apr-2010  Read More

DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother. Air Date : 4th-May-2010  Read More

The team tries to track down a serial killer, while Abby heads south of the border to give a speech with McGee in tow. Air Date : 11th-May-2010  Read More

When a colleague's murder sends shockwaves through the team, Gibbs uncovers a surprising link to the crime. Air Date : 18th-May-2010  Read More

Gibbs heads to Mexico to face his demons and make a startling decision. Air Date : 25th-May-2010  Read More