C.S.I. is an acclaimed, edgy, fast-paced drama series about a passionate team of forensic investigators (among them William Petersen and Marg Helgenberger) who work the graveyard shift at the Las Vegas Criminalistics Bureau. Their job - to find the missing pieces at the scene that will help to solve the crime and vindicate those who often cannot speak for themselves - the victims. Between the hidden clues and the buried motives lies the trail to the truth because people lie... but the evidence never does. This fantastic boxed set contains every episode from the fourth season. Episodes comprise: 1. Assume Nothing 2. All for Our Country 3. Homebodies 4. Feeling the Heat 5. Fur and Loathing 6. Jackpot 7. Invisible Evidence 8. After the Show 9. Grissom Versus the Volcano 10. Coming of Rage 11. Eleven Angry Jurors 12. Butterflied 13. Suckers 14. Paper or Plastic 15. Early Rollout 16. Getting Off 17. XX 18. Bad to the Bone 19. Bad Words 20. Dead Ringer 21. Turn of the Screws 22. No More Bets 23. Bloodlines (6 Disc) Production Year: 2004 Starring: William L. Petersen ; Gary Dourdan ; Jorja Fox ; Paul Guilfoyle ; Marg Helgenberger ; Scott Wilson ; David Berman ; Stephen Root ; Nathan Wetherington ; Xander Berkeley ; Martin Donovan ; Nina Siemaszko ; Michael Reilly Burke ; Scott Wilson