The 34th Floor
Sep 24, 2010
Jo Danville, the newest member of the team, stumbles upon a murder victim in the crime lab building.
Oct 01, 2010
When a young woman appears to have been strangled while participating in an online chat, the team must determine if it was a hoax or murder.
Damned if You Do
Oct 08, 2010
When a married couple are found beaten in their home, a woman identifies her son as the killer, but another witness comes forward.
Sangre Por Sangre
Oct 15, 2010
When a powerful gang's leader is killed, the CSIs must find the killer before a street war with a rival gang breaks out; Mac seeks help from the gang's co-founder (Edward James Olmos), who he put behind bars years earlier.
Out of the Sky
Oct 22, 2010
A jewel heist at a powerful attorney's penthouse takes a bizarre turn; the case leads the CSIs to a seemingly unrelated man in the morgue.
Do Not Pass Go
Oct 29, 2010
When a badly decomposed body is found in an abandoned car, the team must face a killer who is using his victims' parents to manipulate crime scenes.
Nov 05, 2010
With a sniper on the prowl, Mac is forced to relive a brutal abduction that produced a deadly foe.
Nov 12, 2010
The CSIs experience eerie occurrences when they find a female who appears to have been, literally, scared to death, then the case takes an odder turn when Mac discovers a second victim.
Nov 19, 2010
When a woman's body washes ashore at a seaport, the CSIs uncover a secret about the deputy chief's past that threatens to ruin his stellar reputation and close-knit family.
Shop Till You Drop
Dec 03, 2010
When a department store manager is found dead in a holiday display window, Mac and the team search for the killer.
To What End?
Jan 07, 2011
A man in a clown costume shoots a bakery owner; a decision from Flack's past might put him in jeopardy.
Jan 14, 2011
Mac battles with the head of Barcelona's crime lab while investigating the death of a Spanish club promoter.
Feb 04, 2011
The CSIs investigate soggy remains after a tractor-trailer full of exclusive party guests ends up at the bottom of the Hudson River.
Feb 11, 2011
The team tracks down a charming hit man (Ne-Yo) and discovers a conspiracy with extensive implications.
Feb 18, 2011
The team feels conflicted about pursuing the killer when a serial rapist is found dead and restrained in the same manner as his victims were.
Feb 25, 2011
When a conspiracy theorist is found dead, the team discovers that her beliefs may not have been too far off base.
Do or Die
Mar 11, 2011
The team becomes immersed in the competitive world of privileged youth when a popular student at a private school is murdered.
Apr 01, 2011
Jo must balance her home and work when her daughter is the key witness in a murder investigation.
Food for Thought
Apr 08, 2011
The team investigates the explosion of a gourmet food truck at a festival.
Nothing for Something
Apr 29, 2011
The team investigates after a woman falls victim to a serial killer; an ex-con starts stalking Mac's first partner (Peter Fonda).
May 06, 2011
After gunfire tears through the crime lab, Mac and his former partner become a part of a 17-year-old vendetta.