|Episode Online Video|
S04, E11 (First Aired:
Clues from a murder investigation lead the team to an infamous seller of killer pranks; Danny works on a case involving a boy from his neighborhood.
S04, E12 (First Aired:
A much-hated hotel owner is found buried beneath an ice sculpture; a school bus driver hits a woman who is walking along a highway in a nightgown.
S04, E13 (First Aired:
The CSI's must determine if more than one killer is responsible when two murder victims are discovered two buildings apart.
S04, E14 (First Aired:
When a drowning victim falls out of a self-cleaning restroom, the CSIs determine it was foul play and not a freak accident.
S04, E15 (First Aired:
An anonymous tip leads team members to an abandoned warehouse, where they hope to find one of the city's most-wanted criminals.
S04, E16 (First Aired:
The team investigates a fire in Stella's apartment and determines that it was arson.
S04, E17 (First Aired:
A salesman and a number of dead sharks wash up on Rockaway Beach, leading the CSI team to follow a twisted trail of evidence in the search for the killer.
S04, E18 (First Aired:
The team investigates the mysterious death of a high-school guidance counselor; the ``Taxi Cab Killer'' continues to wreak havoc on the city.
S04, E19 (First Aired:
By following a trail of forensic evidence, the team tries to stop the Taxi Cab Killer from targeting another fare.
S04, E20 (First Aired:
The team must determine if the streets of New York are safe when a man accused of being the Cabbie Killer is found dead.
S04, E21 (First Aired:
In a bank heist, the manager is killed and the frantic gunman takes the entire bank hostage, demanding that an agent help establish his innocence.
S05, E01 (First Aired:
In the aftermath of a bank robbery gone wrong, Mac is taken hostage and awakens in a submerged car with no memory of how he got there.
S05, E02 (First Aired:
A series of deaths from radiation poisoning may be related to a deadly tome in the library.
S05, E03 (First Aired:
When an air marshal is murdered on a flight to the District of Columbia, Mac searches the plane for the killer and the murder weapon.
S05, E04 (First Aired:
The CSI team delves into the world of political corruption when a corporate fixer is murdered.
S05, E05 (First Aired:
The CSI team investigates the death of a young archaeologist who may have unearthed the answer to one of New York's oldest murder mysteries.
S05, E06 (First Aired:
Mac must make good on a promise he made to a reluctant witness after three defendants are gunned down on the eve of their trial.
S05, E07 (First Aired:
The team has a difficult time solving a murder after discovering that the primary crime scene, an art house, is being sent up the East River on a barge.