CSI: Crime Scene Investigation S4E20
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S04E20 — Dead Ringer
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CSI: Crime Scene Investigation

S04E20 Dead Ringer

2004-04-29

Grissom, Catherine, and Nick look into the fatal incident of a runner who collapsed during a race. Simultaneously, Sara and Warrick probe the deaths of a couple found in a hotel room, which is initially suspected to be a murder-suicide. Both investigations unfold during a massive police competition that attracts over 20,000 officers, adding a unique twist, as nearly all the victims and potential suspects are law enforcement personnel.

Season 4 Episodes

1
Assume Nothing (1)
2003-09-24
 2
All for Our Country (2)
2003-10-01
 3
Homebodies
2003-10-08
 4
Feeling the Heat
2003-10-22
 5
Fur and Loathing
2003-10-29
 6
Jackpot
2003-11-05
 7
Invisible Evidence
2003-11-12
 8
After the Show
2003-11-19
 9
Grissom Versus the Volcano
2003-12-10
 10
Coming of Rage
2003-12-17
 11
Eleven Angry Jurors
2004-01-08
 12
Butterflied
2004-01-15
 13
Suckers
2004-02-05
 14
Paper or Plastic
2004-02-12
 15
Early Rollout
2004-02-19
 16
Getting Off
2004-02-26
 17
XX
2004-03-04
 18
Bad to the Bone
2004-04-01
 19
Bad Words
2004-04-15
 20
Dead Ringer
2004-04-29
 21
Turn of the Screws
2004-05-06
 22
No More Bets
2004-05-13
 23
Bloodlines
2004-05-20