NCIS — Season 5

Aired 25 September 2007 • 43 min

The NCIS team uncover a huge secret, as their mission to capture La Grenouille comes to an explosive and deadly conclusion.

Aired 2 October 2007 • 44 min

During an autopsy, Ducky makes a startling discovery that turns a murder of a Petty Officer into a search for a missing infant.

Aired 9 October 2007 • 44 min

Lt. Colonel Mann joins Gibbs in an investigation of the murder of a Marine Captain who had access to highly classified information. Things get very personal for Gibbs when one of the witnesses in the case turns out to be one of his ex-wives.

Aired 16 October 2007 • 44 min

When Ducky realizes that one of his cadavers used for research is actually a victim of murder, the NCIS team identify him as a criminal genius who is capable of deleting the past.

Aired 23 October 2007 • 44 min

The NCIS team are called in to stop a Naval officer from committing suicide by jumping off a rooftop, but when the suicide attempt turns into a murder, the NCIS team will have to find out who did it.

Aired 30 October 2007 • 44 min

While investigating a mysterious death on a top-secret Naval research ship at sea, the NCIS team board the abandoned ship and find a deadly secret that may cost them their lives.

Aired 6 November 2007 • 44 min

Gibbs finds himself emotionally challenged when he agrees to investigate a crime connected to a friend of his daughter, who passed away years ago, and the investigation leads to a shocking conclusion.

Aired 13 November 2007 • 44 min

A murder investigation of a Navy Admiral takes a shocking turn when a woman, a political refugee, returns home to search for her husband.

Aired 20 November 2007 • 44 min

The NCIS team have to babysit a nine-year-old son of a missing man, a survivalist who is somehow connected to a cold case murder. The investigation leads the team into the wilderness, where they discover a shocking truth about the man's past.

Aired 27 November 2007 • 44 min

While trying to track down a delusional and violent Marine who thinks he's still in Iraq, the NCIS team learn that the man has been the subject of a secret experiment - and it comes with a high price to pay.

Aired 15 January 2008 • 43 min

After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform an autopsy due to his religious beliefs. The NCIS team try to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their own bug.

Aired 8 April 2008 • 44 min

The NCIS team go on a stakeout in a warehouse to catch a suspected thief of a high-tech Naval radar, but they accidentally end up witnessing a murder.

Aired 15 April 2008 • 44 min

When a dog owner is found murdered, the NCIS team must determine if his dog committed the murder or not, and Abby decides to fight for the dog's life by trusting her instinct about the dog's innocence.

Aired 22 April 2008 • 44 min

The dead body of La Grenouille surfaces and the entire NCIS is put under investigation by the FBI, with Jenny as the prime suspect for his murder.

Aired 29 April 2008 • 44 min

Two members of the NCIS team are sent to Baghdad to investigate a mortar attack that turned into a murder investigation.

Aired 6 May 2008 • 44 min

While on an undercover mission, Ziva's life is put in grave danger when the serial killer she's been tracking becomes suspicious of her.

Aired 13 May 2008 • 44 min

Palmer is put in grave danger when he becomes the target of an anonymous murderer, whom only he can recognize.

Aired 20 May 2008 • 45 min

When a former NCIS agent is found dead, the entire team is put in danger as they hunt after the killer.

Aired 20 May 2008 • 45 min

When one of their own is killed, the team must find the killer before they get to another member of the team, Gibbs. In an emotional investigation, the team tries to stay together, against the wishes of Assistant Director Vance.