CSI: Crime Scene Investigation (season 5) of a bear ("Unbearable"), and a murder involving sports betting ("Big Middle"). The risk of losing of one of their own, however, allows Ecklie and Grisson to set aside their differences, both personal and professional, and reunite the team once again ("Grave Danger"). <onlyinclude></onlyinclude> CSI: Crime Scene Investigation (season 5) The fifth season of "" premiered on CBS on September 23, 2004 and ended May 19, 2005. The series stars William Petersen and Marg Helgenberger. Greg begins his journey from a lab rat to a field mouse, as the Las Vegas Crime Lab faces a personnel overhaul ("Ch-Ch-Changes"), during the
CSI: Crime Scene Investigation (season 6) CSI: Crime Scene Investigation (season 6) The sixth season of "" premiered on CBS on September 22, 2005 and ended May 18, 2006. The series stars William Petersen and Marg Helgenberger. Brass, now partnered with Sofia Curtis, finds himself caught in a shootout that leaves one officer dead, and a Latino community enraged ("A Bullet Runs Through It"), before finding himself critically injured in a hostage standoff ("Bang-Bang"), in the sixth season of "CSI". Meanwhile, Grissom and Willows reunite in order to investigate their toughest cases yet, including the death of a movie star ("Room Service"), a corpse discovered at