6.3/10867 votesLoading...#1 - Mascara
Season 9 Episode 18 - Aired 4/2/2009
Langston is shocked when his former student is found murdered and becomes the focus of a CSI investigation into the world of Mexican wrestling.
Director: William Friedkin
Writer: Naren Shankar, Dustin Lee Abraham
6.7/10407 votesLoading...#2 - Rubbery Homicide
Season 15 Episode 8 - Aired 11/30/2014
The CSI team find themselves taking a look into the kinky world of “rubber dolls” as they investigate the murder of a man stabbed in an alley.
Director: Louis Shaw Milito
Writer: Tom Mularz
6.8/10781 votesLoading...#3 - Poppin' Tags
Season 6 Episode 20 - Aired 4/13/2006
The CSI team is lead into the rap music world as they investigate the murders of three rival teen rappers.
Director: Bryan Spicer
Writer: Dustin Lee Abraham
6.8/10435 votesLoading...#4 - The Book of Shadows
Season 15 Episode 4 - Aired 10/19/2014
A chemistry teacher's science experiment goes horribly wrong.
Director: Brad Tanenbaum
Writer: Gavin Harris
6.9/10990 votesLoading...#5 - Shock Waves
Season 11 Episode 1 - Aired 9/23/2010
The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark
Director: Alec Smight
Writer: David Weddle, Bradley Thompson
6.9/10469 votesLoading...#6 - Exile
Season 13 Episode 14 - Aired 2/13/2013
The CSIs investigate the demise of a famous Cuban singer’s sister who’s in town as part of a U.S. tour. Meanwhile, Hodges begins to get cold feet at the prospect of marrying his Italian bombshell girlfriend.
Director: Jeffrey G. Hunt
Writer: Carlos M. Marimon
6.9/10409 votesLoading...#7 - Consumed
Season 14 Episode 20 - Aired 4/9/2014
As the CSIs hunt a cannibalistic killer, they realize there is more than one.
Director: Karen Gaviola
Writer: Tom Mularz
7.0/10427 votesLoading...#8 - Fearless
Season 13 Episode 20 - Aired 5/1/2013
The CSI team investigates a popular spiritual retreat when a body is found floating in a mud bath. Meanwhile, Hodges questions his marriage plans to Elisabetta.
Director: Eagle Egilsson
Writer: Gavin Harris
7.0/10402 votesLoading...#9 - Road to Recovery
Season 15 Episode 7 - Aired 11/23/2014
The CSI team take a look into the death of a woman who has been drinking and taking drugs in a pool at a rehab facility.
Director: Alec Smight
Writer: Andrew Dettmann
7.1/10687 votesLoading...#10 - All In
Season 9 Episode 24 - Aired 5/14/2009
A cache of missing chips from a closed down casino turn up in Vegas and a string of murders follow, leading Langston to use deadly force for the first time in his career as a CSI.
Director: Paris Barclay
Writer: Naren Shankar, Phillip Schenkler
7.1/10665 votesLoading...#11 - Long Ball
Season 10 Episode 12 - Aired 1/21/2010
The CSI investigates the mystifying death of a former pro golfer whose allegiance to the game might have cost him everything.
Director: Alec Smight
Writer: Christopher Barbour
7.1/10734 votesLoading...#12 - Unshockable
Season 10 Episode 14 - Aired 3/4/2010
When a band member of Rascal Flatts is electrocuted by his own guitar during a concert, the CSI team investigates if it was a case of foul play.
Director: Kenneth Fink
Writer: Michael Frost Beckner
7.1/10725 votesLoading...#13 - Blood Moon
Season 11 Episode 3 - Aired 10/7/2010
A vampire and werewolf convention becomes the center of a murder investigation.
Director: Brad Tanenbaum
Writer: Melissa R. Byer, Treena Hancock
7.1/10692 votesLoading...#14 - Turn On, Tune In, Drop Dead
Season 11 Episode 16 - Aired 2/24/2011
The team investigates two apparent corpses who aren't exactly dead at all.
Director: Paul McCrane
Writer: Tom Mularz
7.1/10611 votesLoading...#15 - Dune and Gloom
Season 12 Episode 21 - Aired 5/2/2012
When a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene to investigate why.
Director: Jeffrey G. Hunt
Writer: Tom Mularz
7.1/10458 votesLoading...#16 - Torch Song
Season 14 Episode 3 - Aired 10/9/2013
The CSI team investigates a fire at a music venue that leaves four people dead, including two band members.
Director: Brad Tanenbaum
Writer: N/A
7.1/10444 votesLoading...#17 - Helpless
Season 14 Episode 8 - Aired 11/13/2013
A dead man is found inside a human-size hamster ball; the team collaborates on a serial rapist investigation.
Director: Karen Gaviola
Writer: Tom Mularz
7.1/10437 votesLoading...#18 - Long Road Home
Season 14 Episode 17 - Aired 3/12/2014
A murdered groupie and a missing prostitute both have connections to a mysterious band.
Director: Philip Conserva
Writer: Gavin Harris
7.2/10806 votesLoading...#19 - Crow's Feet
Season 5 Episode 4 - Aired 10/21/2004
A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg with help from Grissom try to determine how a the owner of a home was killed. His home was tented for infestation.
Director: Richard J. Lewis
Writer: Josh Berman
7.2/10789 votesLoading...#20 - Snakes
Season 5 Episode 12 - Aired 1/13/2005
The swing shift has a busy time. Warrick looks into the murder of man by someone who apparently needs a wheelchair. Nick looks into the murder of woman in the subculture of the narcocorrido, songs about drug murders. The night shift is slow and lends help to Catherine's team.
Director: Richard J. Lewis
Writer: Dustin Lee Abraham
7.2/10721 votesLoading...#21 - Deep Fried and Minty Fresh
Season 9 Episode 13 - Aired 2/12/2009
Langston and Nick are called to investigate a murder at a fast food restaurant and have quite a task ahead of them when they discover that much of the evidence is coated in cooking oil.
Director: Alec Smight
Writer: Sarah Goldfinger, Corinne Marrinan
7.2/10700 votesLoading...#22 - Kill Me If You Can
Season 9 Episode 15 - Aired 2/26/2009
The CSI are called to three different crime scenes in one night that are seemingly unrelated, but each case's forensic evidence reveals a common link
Director: Nathan Hope
Writer: David Weddle, Bradley Thompson
7.2/10719 votesLoading...#23 - The Descent of Man
Season 9 Episode 19 - Aired 4/9/2009
When a seasoned sky diver is paralyzed after free falling to earth when his parachute doesn't deploy, he turns out to be linked to the strange death-by-airborne-toxins of two wealthy men with ties to Iran.
Director: Christopher Leitch
Writer: Evan Dunsky
7.2/10691 votesLoading...#24 - Take My Life, Please!
Season 10 Episode 20 - Aired 4/29/2010
A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous duo is found dead.
Director: Martha Coolidge
Writer: David Rambo, Dustin Lee Abraham
7.2/10738 votesLoading...#25 - Pool Shark
Season 11 Episode 2 - Aired 9/30/2010
The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.
Director: Michael Nankin
Writer: Dustin Lee Abraham
The Worst Episodes of CSI: Crime Scene Investigation
Every episode of CSI: Crime Scene Investigation ranked from worst to best. Explore the Worst Episodes of CSI: Crime Scene Investigation!
A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing...
Genres:CrimeDramaMystery
Network:CBS
Worst Episodes Summary
"Mascara" is the worst rated episode of "CSI: Crime Scene Investigation". It scored 6.3/10 based on 867 votes. Directed by William Friedkin and written by Naren Shankar, Dustin Lee Abraham, it aired on 4/2/2009. This episode scored 0.4 points lower than the second lowest rated, "Rubbery Homicide".