Immortality (CSI: Crime Scene Investigation) Immortality (CSI: Crime Scene Investigation) "Immortality" is the two-hour series finale of "" aired on September 27, 2015 on CBS. When a suicide bomber detonates his vest on the floor of the Catherine Willows-owned Eclipse casino, the FBI special agent returns from Los Angeles to join the investigation. Gil Grissom, meanwhile, working to preserve sharks in international waters, is arrested for trespassing at the Port of San Diego, and D.B. Russell offers Sara Sidle the chance to supervise the local investigation into the bombing. Sidle, who is vying for the position of director of the Las Vegas Crime Lab, is
Kitty (CSI: Crime Scene Investigation) attacks Avery and cuts her with his knife. Avery says her code word and he is then arrested. At the end, Avery arranges for Susan's husband to come home. As she is leaving Avery tells D.B. about a bank robbery of three cents from 80 million chequing accounts. This episode launched the third "CSI" series, "". It is written by the creators of "CSI: Miami" and "CSI: NY", and marks the first appearance of Patricia Arquette as Dr Avery Ryan. This episode was included in the Season 14 DVD. This episode is also included in "CSI: Cyber"s season 1 DVD