第 20 季 共 23 集
播出时间：2009年9月26日
第 1 集 Memo from the Dark Side
播出时间：2009年9月26日
The body of a young war veteran is found in a parking garage and the murder is connected to a law professor who used to work for the Department of Justice.
第 2 集 Just a Girl in the World
播出时间：2009年10月3日
A crime scene investigator is murdered in her apartment. Her fiance is suspected, but then a journalist is attacked and DNA is found at the scene that links this crime to the murder.
第 3 集 Great Satan
播出时间：2009年10月10日
Detectives Lupo and Bernard investigate when an aspiring musician is found dead. A bag of cash leads them to multiple suspects.
第 4 集 Reality Bites
播出时间：2009年10月17日
A mother of ten adopted special needs children is murdered. The day after her murder, her husband appears on reality TV.
第 5 集 Dignity
播出时间：2009年10月24日
A doctor who performs late-term abortions is murdered in church. The case falls apart for Cutter when Rubirosa is touched by an abortion nurse's testimony.
第 6 集 Human Flesh Search Engine
播出时间：2009年10月31日
Bernard becomes the target of a dangerous website that is partly responsible for a homicide the detectives are investigating
第 7 集 Boy Gone Astray
播出时间：2009年11月7日
When a young woman is found dead in her apartment, a few tell-tale signs quickly lead Detectives Cyrus Lupo and Kevin Bernard to believe that the killer was not after her wealth.
第 8 集 Doped
播出时间：2009年11月7日
A deadly drunk-driving car accident brings Detectives Cyrus Lupo and Kevin Bernard to the scene when a suspicious nasal spray is found. After the medical examiner realizes the nasal spray is a powerful anesthetic that could easily disorient its user, the detectives become suspicious of the victim's boss, Zach Marshall
第 9 集 For the Defense
播出时间：2009年11月14日
A case that begins as a search for a missing witness spirals into a murder conspiracy with ADA Connie Rubirosa caught in the middle.
第 10 集 Shotgun
播出时间：2009年11月21日
When an elderly man defends his shop from an armed robbery, Detectives Kevin Bernard and Cyrus Lupo suspect that this incident could have been an inside job. After further investigation, the detectives discover that the mugging might have been a scare tactic for a shakedown.
第 11 集 Fed
播出时间：2009年12月12日
"Fed" is the eleventh episode of the twentieth season of NBC's long-running legal drama Law & Order.
第 12 集 Blackmail
播出时间：2010年1月16日
Blackmail is the twelfth episode of the twentieth season of the television series Law & Order. It aired on NBC January 15, 2010.
第 13 集 Steel-Eyed Death
播出时间：2010年3月2日
"Steel-Eyed Death" is the thirteenth episode of the twentieth season of NBC's long-running legal drama Law & Order.
第 14 集 Boy on Fire
播出时间：2010年3月2日
"Boy on Fire" is the fourteenth episode of the twentieth season of NBC's long-running legal drama Law & Order.
第 15 集 Brilliant Disguise
播出时间：2010年3月9日
A young woman is found murdered in a hotel and the evidence leads to a medical student.
第 16 集 Innocence
播出时间：2010年3月16日
A man is convicted of a hate crime for allegedly killing a gay man, but a group called the Innocence Coalition is determined to clear his name.
第 17 集 Four Cops Shot
播出时间：2010年3月23日
The debate rages over how to treat an informant who shot and killed four police officers. However, did one of the officers try to put undue pressure on him to help catch a dangerous criminal?
第 18 集 Brazil
播出时间：2010年3月30日
When an environmental scientist, Dr. Oscar Silva, is poisoned during a global warming symposium, Detectives Cyrus Lupo and Kevin Bernard initially suspect competitors from Dr. Silva's field of study. It is soon discovered that Dr. Silva is involved in a messy custody battle with his wife’s ex-husband, Phillip Shoemaker and the focus of the investigation quickly shifts to the victim’s family. Meanwhile, the case becomes personal for Cutter as it stirs up unpleasant memories from his own past.
第 19 集 Crashers
播出时间：2010年5月4日
When the body of a model is found burning in an alley, Detectives Lupo and Bernard search for her killer.
第 20 集 The Taxman Cometh
播出时间：2010年5月11日
Lupo and Bernard uncover a possible conspiracy to kill off wealthy cancer patients, so their inheritors don't have to pay an estate tax. However, legal roadblocks make the case difficult to prosecute.
第 21 集 Immortal
播出时间：2010年5月18日
A man's double life is discovered after he is stabbed to death.
第 22 集 Love Eternal
播出时间：2010年5月18日
When a reality TV crew finds a dead man's body locked in a dog cage, detectives suspect the victim's wife.
第 23 集 Rubber Room
播出时间：2010年5月25日
Detectives search for an anonymous blogger who has posted plans to blow up a school. Lt. Van Buren struggles to keep her personal issues private. Series finale.
