Gil Grissom
Played by William Petersen.
Gil Grissom
GEOS currently lacks a description for Gil Grissom.

Regular

CSI: Crime Scene Investigation

002
Cool Change
003
Crate 'n Burial
004
Pledging Mr. Johnson
005
Friends & Lovers
006
Who Are You?
007
Blood Drops
008
Anonymous
009
Unfriendly Skies
010
Sex, Lies and Larvae
011
I-15 Murders
012
Fahrenheit 932
013
Boom
014
To Halve and to Hold
015
Table Stakes
016
Too Tough to Die
017
Face Lift
018
$35K O.B.O.
019
Gentle, Gentle
020
Sounds of Silence
021
Justice is Served
022
Evaluation Day
023
The Strip Strangler
024
Burked
025
Chaos Theory
026
Overload
027
Bully for You
028
Scuba Doobie-Doo
029
Alter Boys
030
Caged
031
Slaves of Las Vegas
032
And Then There Were None
033
Ellie
034
Organ Grinder
035
You've Got Male
036
Identity Crisis
037
The Finger
038
Burden of Proof
039
Primum Non Nocere
040
Felonius Monk
041
Chasing the Bus
042
Stalker
043
Cats in the Cradle...
044
Anatomy of a Lye
045
Cross-Jurisdictions
046
The Hunger Artist
047
Revenge Is Best Served Cold
048
The Accused Is Entitled
049
Let the Seller Beware
050
A Little Murder
051
Abra Cadaver
052
The Execution of Catherine Willows
053
Fight Night
054
Snuff
055
Blood Lust
056
High and Low
057
Recipe for Murder
058
Got Murder?
059
Random Acts of Violence
060
One Hit Wonder
061
Lady Heather's Box
062
Lucky Strike
063
Crash and Burn
064
Precious Metal
065
A Night at the Movies
066
Last Laugh
067
Forever
068
Play with Fire
069
Inside the Box (season finale)
070
Assume Nothing (I)
071
All for Our Country (II)
072
Homebodies
073
Feeling the Heat
074
Fur and Loathing
075
Jackpot
076
Invisible Evidence
077
After the Show
078
Grissom Versus the Volcano
079
Coming of Rage
080
Eleven Angry Jurors
081
Butterflied
082
Suckers
083
Paper or Plastic
084
Early Rollout
085
Getting Off
086
XX
087
Bad to the Bone
088
Bad Words
089
Dead Ringer
090
Turning the Screws
091
No More Bets
092
Bloodlines (season finale)
093
Viva Las Vegas
094
Down the Drain
095
Harvest
096
Crow's Feet
097
Swap Meet
098
What's Eating Gil Grissom?
099
Formalities
100
Ch-Ch-Changes
101
Mea Culpa
102
No Humans Involved
103
Who Shot Sherlock Holmes?
104
Snakes
105
Nesting Dolls
106
Unbearable
107
King Baby
108
Big Middle
109
Compulsion
110
Spark of Life
111
4 x 4
112
Hollywood Brass
113
Committed
114
Weeping Willows
115
Iced
116
Grave Danger (I)
117
Grave Danger (II) (season finale)
118
Bodies in Motion
119
Room Service
120
Bite Me
121
Shooting Stars
122
Gum Drops
123
Secrets and Flies
124
A Bullet Runs Through It (I)
125
A Bullet Runs Through It (II)
126
Dog Eat Dog
127
Still Life
128
Werewolves
129
Daddy's Little Girl
130
Kiss-Kiss, Bye-Bye
131
Killer
132
Pirates of the Third Reich
133
Up In Smoke
134
I Like to Watch
135
The Unusual Suspect
136
Spellbound
137
Poppin Tags
138
Roshomama
139
Time of Your Death
140
Bang Bang
141
Way To Go
142
Built to Kill (I)
143
Built to Kill (II)
144
Toe Tags
145
Fannysmackin'
146
Double Cross
147
Burn Out
148
Post Mortem
149
Happenstance
150
Living Legend
151
Loco Motives
152
Leaving Las Vegas
153
Sweet Jane
154
Redrum
155
Meet Market
156
Law of Gravity
157
Monster in a Box
158
Fallen Idols
159
Empty Eyes
160
Big Shots
161
Lab Rats
162
Ending Happy
163
Leapin' Lizards
164
The Good, The Bad and the Dominatrix
165
Living Doll (I)
166
Dead Doll (II)
167
A La Cart
168
Go to Hell
169
Case of the Cross Dressing Carp
170
The Chick Chop Flick Shop
171
Who and What (I)
172
Goodbye and Hello
173
You Kill Me
174
Cockroaches
175
Lying Down with Dogs
176
Bull
177
Grissom's Divine Comedy
178
A Thousand Days On Earth
179
Drops Out
180
The Theory of Everything
181
Two and a Half Deaths
182
For Gedda (season finale)
183
For Warrick (II)
184
The Happy Place
185
Art Imitates Life
186
Let It Bleed
187
Leave Out All the Rest
190
Young Man With a Horn
191
19 Down
192
One To Go (II)
193
The Grave Shift
194
Disarmed and Dangerous
207
Family Affair
214
Lover's Lane
260
Zippered
265
Seeing Red
305
The Devil and D.B. Russell

Uncredited

CSI: Crime Scene Investigation

309
Frame by Frame 300th episode