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  1. Built to Kill (1) Episode 1 Built to Kill (1) September 21, 2006, 44 min In part one of this two-part seventh season opener Grissom and Catherine handle the case of a women's dead body found at Cirque du Soleil by a performer. Meanwhile, an…
  2. Built to Kill (2) Episode 2 Built to Kill (2) September 28, 2006, 45 min In the second part of this two-parter Grissom investigates the murder of an aging rockstar who is found dead in his kitchen with an exact replica of the crime scene…
  3. Toe Tags Episode 3 Toe Tags October 5, 2006, 43 min Coming straight from the perspectives of five people: Donna, Rebecca, Jack, Lou and Ray. All with one thing in common. They’re all dead. Brass and Catherine get to handle the…
  4. Fannysmackin’ Episode 4 Fannysmackin’ October 12, 2006, 44 min Three tourists are beat up, badly. One is dead, Alfonzo. Jessica is badly beaten but is still alive. Stanley, the last tourist is saved by Greg who ends up severely…
  5. Double-Cross Episode 5 Double-Cross October 19, 2006, 44 min Grissom and Sara may be secret lovers, but they still find ways to surprise each other like when their religious beliefs surface when two nuns find a body of a…
  6. Burn Out Episode 6 Burn Out November 2, 2006, 45 min Grissom attempts to get a confession from a neighborhood pedophile by having him help in locating two missing boys. The sex offender is the main suspect. The investigation is more…
  7. Post Mortem Episode 7 Post Mortem November 9, 2006, 45 min While investigating an elderly woman's murder, Grissom receives a miniature crime scene replica; Greg attends a hearing to ascertain his culpability in a teenager's accidental death.
  8. Happenstance Episode 8 Happenstance November 16, 2006, 44 min Identical twins are found murdered on the same night. The CSI’s investigate the two separate murders only to find a twist in the investigation find that leads them in another…
  9. Living Legend Episode 9 Living Legend November 23, 2006, 43 min The Cadillac of an infamous 1970’s mob boss turns up in a lake, even though he disappeared years ago. A photo of current murder victims also turns up in the…
  10. Loco Motives Episode 10 Loco Motives December 7, 2006, 45 min Grissom investigates when a worker at a poultry processing plant is found dead in a stun bath used to electrocute chickens before they are slaughtered. Nearby, a miniature replica of…
  11. Leaving Las Vegas Episode 11 Leaving Las Vegas January 4, 2007, 45 min Catherine testifies in a murder trial in which a man is accused of murdering his own mother three years ago, but the suspect is found not guilty. Catherine, however, believes…
  12. Sweet Jane Episode 12 Sweet Jane January 18, 2007, 45 min The team has a hard time trying to understand Michael who has become a team member since Grissom’s teaching hiatus. They investigate the murder of an unidentified girl who may…
  13. Redrum Episode 13 Redrum January 25, 2007, 45 min At Keppler's request Catherine uses a different approach to catch the killer, and in doing so she deceives the rest of the CSI team. The team soon discovers that something…
  14. Meet Market Episode 14 Meet Market February 1, 2007, 44 min Nick and Keppler investigate the bizarre world of the black market sales of body parts after they find a body that has been burned and the organs removed. The rest…
  15. Law of Gravity Episode 15 Law of Gravity February 8, 2007, 44 min Grissom returns from his sabbatical; Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The…
  16. Monster in the Box Episode 16 Monster in the Box February 15, 2007, 44 min Once he unseals a package sent to him through the mail, Grissom is floored when he finds a miniature crime scene inside. The finding is entirely more perplexing since the…
  17. Fallen Idols Episode 17 Fallen Idols February 22, 2007, 45 min Grissom and his team are discouraged when they find a pool of blood as they begin investigating the disappearance of a high school basketball star and his cheerleader girlfriend.Grissom's quip…
  18. Empty Eyes Episode 18 Empty Eyes March 29, 2007, 43 min The terrified eyes and cryptic words of a murder victim haunt Sara while she processes the house where several showgirls were killed.
  19. Big Shots Episode 19 Big Shots April 5, 2007, 42 min After a man is killed in his limousine, Greg finds that the murder victim has ties to the man he had to kill in self-defense. The team finds that the…
  20. Lab Rats Episode 20 Lab Rats April 12, 2007, 44 min The CSI labrats take center stage to discuss the case of the Miniature Killer.
  21. Ending Happy Episode 21 Ending Happy April 26, 2007, 45 min When a has-been boxer is killed, the CSIs must establish which of several life-threatening acts actually killed him.
  22. Leapin’ Lizards Episode 22 Leapin’ Lizards May 3, 2007, 44 min Several suspects in a murder case are UFO-club members who believe shape-shifting aliens have been working to conquer the human race for centuries
  23. The Good, the Bad, and the Dominatrix Episode 23 The Good, the Bad, and the Dominatrix May 10, 2007, 44 min Grissom investigates when a sadistic client tries to murder Lady Heather (Melinda Clarke), who makes the probe more difficult when she refuses to name her attacker. Also, Grissom's reunion with…
  24. Living Doll Episode 24 Living Doll May 17, 2007, 44 min As the CSI's continue their search for and discover the identity of the "Miniature Killer", Grissom and Sara's relationship gets exposed to the rest of the team as she goes…