第 7 季 共 22 集
播出时间：2010年9月25日
第 1 集 The 34th Floor
播出时间：2010年9月25日
The newest member of the CSI team, Jo Danville, a former FBI agent, is welcomed to her new job by stumbling upon the body of a young woman murdered somewhere in the building that houses the NYPD Crime Lab.
第 2 集 Unfriendly Chat
播出时间：2010年10月2日
When a young woman appears to be strangled while participating in a live online chat that Adam witnesses, the CSIs must determine if it was real or a hoax, and locate where the possible victim is.
第 3 集 Damned if You Do
播出时间：2010年10月9日
When a married couple is found beaten in their home, a mother identifies her son as the killer and the CSIs believe they have their suspect, but all is not what it seems when another witness comes forward.
第 4 集 Sangre Por Sangre
播出时间：2010年10月16日
When the leader of a powerful New York gang, El Puño, is found murdered, the CSIs must find the killer before a street war with a rival gang breaks out. Mac asks the co-founder of El Puño, Luther Devarro, a man he put behind bars years before, for help.
第 5 集 Out of the Sky
播出时间：2010年10月23日
A jewel heist at the penthouse of one of New York's most powerful attorneys takes a bizarre turn and the case leads the CSIs to a seemingly unrelated man in the morgue.
第 6 集 Do Not Pass Go
播出时间：2010年10月30日
When a badly decomposed body found is an abandoned car on a rooftop, Mac and his team must go up against a killer who is using the parents of his victims to manipulate crime scenes.
第 7 集 Hide Sight
播出时间：2010年11月6日
Mac is on the hunt for a sniper who is using nitroglycerin in his bullets to explode on impact, and the prime suspect was once a missing boy from one of Mac's old cases.
第 8 集 Scared Stiff
播出时间：2010年11月13日
As the CSIs investigate a case involving a woman who appears to have been scared to death in a supposedly haunted section of Central Park, Mac stumbles on another dead body buried nearby in the same part of the park.
第 9 集 Justified
播出时间：2010年11月20日
When a woman's body washes up at the South Street Seaport, the CSIs unravel a dark secret from Deputy Chief Carver's past that threatens to shatter his stellar reputation and close-knit family.
第 10 集 Shop Till You Drop
播出时间：2010年12月4日
Mac and the team search for the killer of a department store manager who was found dead in a holiday display window.
第 11 集 To What End?
播出时间：2011年1月8日
When a man in full clown costume shoots a bakery owner, the CSIs investigate and discover a decision from Flack's past that may put him in jeopardy.
第 12 集 Holding Cell
播出时间：2011年1月15日
When a Spanish club promoter is found dead, Mac must battle with the head of Barcelona's crime lab to solve the case.
第 13 集 Party Down
播出时间：2011年2月5日
When a tractor-trailer carrying exclusive party guests mysteriously ends up at the bottom of the Hudson River, the CSIs must solve the mystery from the soggy remains.
第 14 集 Smooth Criminal
播出时间：2011年2月12日
When the CSIs track down a suave and charming hitman, their investigation uncovers a conspiracy with far-reaching implications.
第 15 集 Vigilante
播出时间：2011年2月19日
When a serial rapist is found murdered, restrained in the same manner as his victims, the CSIs weigh a feeling of justice against their sense of duty to pursue the killer.
第 16 集 The Untouchable
播出时间：2011年2月26日
When a conspiracy-obsessed woman is found dead, the CSIs investigate and discover that some of her theories may have had some truth to them.
第 17 集 Do or Die
播出时间：2011年3月12日
When a popular student and star pupil at Manhattan's most elite private school is murdered, the CSIs find themselves immersed in the highly competitive world of over-privileged youth.
第 18 集 Identity Crisis
播出时间：2011年4月2日
Jo balances personal and professional challenges when her adopted daughter, Ellie, is the key witness in a murder investigation.
第 19 集 Food For Thought
播出时间：2011年4月9日
While the team investigates the explosion of a gourmet food truck, Sheldon's new relationship could get him in big trouble at the lab.
第 20 集 Nothing For Something
播出时间：2011年4月30日
The CSIs investigate a woman's death as the work of a serial killer, and Mac reconnects with his first partner after an ex-con they put away begins stalking him.
第 21 集 Life Sentence
播出时间：2011年5月7日
After a hail of gunfire tears through the crime lab, Mac and his ex-partner become part of a vendetta 17 years in the making.
第 22 集 Exit Strategy
播出时间：2011年5月14日
Following a near-death experience, Mac becomes determined to close his last remaining unsolved case.
