In the season finale, the team, although torn apart and uncertain as to their future, must come together to save Walter's life as his car hangs off the side of a cliff.
A marine skilled in K-9 bomb detection is killed on duty in Afghanistan and his wife begs the NCIS team to conduct their own investigation.
Jack hides important information from Mia and Ralph.
Rizzo blindsides Jack and grills him about Mia. Dixon learns the girl he saved from drowning was poisoned. Savino and his crew are stuck overnight in the desert.
A former flame of Sheriff Lamb's shows up asking for help. Savino deals with the snitch inside his casino.
A man bent on revenge kidnaps Sherrif Lamb. Savino and Rizzo must deal with a rival mob. Katherine and Laura form a new partnership.
Dixon goes undercover at the Savoy after a series of robberies while Sheriff Lamb and Jack investigate the death of the biggest contractor in Las Vegas.
Rizzo causes difficulties for Savino when he hires Diane Desmond to sing at the Savoy. Diane just happens to be Savino's ex-mistress. Sheriff Lamb and the military police join forces when clues to a murder lead to a nearby Air Force base.moreless
The tables are turned when Sheriff Lamb must protect Savino after Milwaukee puts out a hit on the mobster.
Savino and the local Milwaukee mob both set their sights on acquiring the Tumbleweed Casino which brings out a taste of the real Vegas heat. Sheriff Lamb's investigation into the hit-and-run killing of a casino maid reveals an unlikely connection to one of the town's wealthiest businessmen.moreless
Still experiencing the strain of her case, Brenda finds herself under another time crunch when she must disprove a questionable alibi within 48 hours to prevent the investigation from falling flat.
As Brenda searches for the truth in her case, she discovers some inside information that may have an unfortunate effect on her relationship with Fritz.
Brenda and the PHD are under the microscope while getting to the bottom of a case involving a high-profile divorce attorney who was found dead in his swimming pool.
Brenda and Fritz are still learning to combine their lives and find trouble combining their finances when Brenda uncovers a secret that may make her think twice about moving forward.
An extreme skateboarder and videogame tester is found dead on a half-pipe platform used to program extreme skateboarding video games. The CSIs discover that he was wearing reflective sensors when he was killed, so the motion-capture device used to produce these videogames recorded the murder as it happened, but not the murderer. Now the team delves into the highly competitive world of videogame programmers and testers to find the killer.moreless
Voyager receives a distress call from a Hirogen training facility, where their holographic prey have become too cunning and dangerous for the hunters. Voyager establishes a tentative alliance with the Hirogen in order to disable the holograms, while the Doctor finds himself becoming sympathetic to their cause.
The renegade holograms abduct B'Elanna in hopes that she will be able to make their field generators fully functional. Meanwhile, Voyager secretly trails two Hirogen ships as they attempt to track and hunt down the holograms, in order to rescue B'Elanna.
Harm and Chegwidden fight an attempt by a salvage hunter to excavate the remains of a submarine that disappeared in 1941, just before the attack of Pearl Harbor. Meanwhile, Bud takes on the heavy burden of trying to keep an obese petty officer from being discharged for failing to lose weight.moreless