Nikita and Michael plot to take down Division and Oversight and are prepared to use the contents of the black box to do so. Amanda is now running Division but…

An investigation is opened after Ben, John, and Officer Chickie Brown encounter an infant crawling down the street. Lydia takes a personal interest in the case after Child Protective Services…

When Nate gets in over his head tracking down a stolen car filled with a drug kingpin’s merchandise, Michael brings back an old alias to save his brother’s life.

Cynthia Hooper starts as the new desk clerk. Benton and Carla disagree over whether or not their son should be circumcised. Al gets in an accident at work.

Carol would like to have a women’s and children’s health care clinic within the ER. Benton has trouble combining work and fatherhood.

After a young violinist is shot to death, Patrick Jane questions the members of the Northern California Symphony Orchestra about the murder. Meanwhile, Cho crosses paths with a precocious young…

When the CSI team investigates the brutal murder of a family, they trace the killer to the house next door, which might belong to the “Dr. Jekyll” serial killer.

When Hodges and Wendy take a group of high school CSI Explorer Scouts on a field trip, they embellish their role in solving cases and take their assignment a little…

While coming home from a late night bachelor party, Nash and some of his fellow cops become embroiled in a train heist gone bad on a BART train.

The assassination of an African-American leader leads to the arrest of a man whose ex-wife was suspected of having an affair with the victim.