5USA TV Guide

An American couple are attacked in Iraq, in the very same spot a group of US Special Ops snipers were ambushed six months earlier. Determined to get to the bottom of the case, Gibbs is forced to speak to Aaron Davis, the only survivor of the first assault, who is now struggling through PTSD at the Walter Reed Medical Centre. The 300th episode of the military crime drama, starring Mark Harmon, David McCallum and Pauley Perrette

A US Navy Public Affairs Officer is killed, and when the team takes up the case, both the man's wife and his mistress emerge as potential suspects. Each woman offering a very different take on the chain of events that led to the murder, and the investigators are forced to decide which of the two is telling the truth. Meanwhile, DiNozzo's father comes to the aid of a homeless woman, who makes a surprising claim about his relationship with her. Guest starring Robert Wagner

Tony finds himself in a difficult position when his identity is stolen. Worse yet, multiple fraudsters make use of his status as a special agent to blackmail US senators, and as the chain of events begins to spiral out of control, it is left to the real Dinozzo to bring the perpetrators to justice. Naval crime drama, starring Michael Weatherly

When an up-and-coming politician is found dead, Shaw and Riley untangle the victim's personal life to identify a suspect. Baxter steps aside himself to help Price make the case

An investigation into a suspected child pornography case has unexpected consequences, leading Benson to a company testing a potentially toxic substance on the unsuspecting tenants of a building. Unfortunately, she is also exposed to the dangerous chemicals, and develops worrying symptoms. Crime drama, starring Mariska Hargitay

A suspect in the murder of a Mob lawyer's wife dies while being restrained by Stabler, who maintains he did nothing wrong. Unfortunately for him, the evidence contradicts his protestations of innocence, and he finds himself suspended and facing charges of causing death by using excessive force. Drama, guest starring Cary Elwes (The Princess Bride, Saw), with Christopher Meloni

Benson visits a woman who arrived at the hospital with her head shaved, having been raped. When the victim refuses to submit to testing, unorthodox methods are called for to acquire evidence, but further investigation reveals the case has implications beyond sexual assault. Drama, starring Mariska Hargitay and Kristen Bush