|Director||Richard J. Lewis|
|Original Airdate||November 18, 2004|
|Previous Episode: Formalities|
|Next Episode: Mea Culpa|
"Ch-Ch-Changes" is the eighth episode of the fifth season, as well as the landmark 100th episode of CSI: Crime Scene Investigation.
The CSI team investigate when a woman is found stabbed to death. They soon discover that the woman underwent a sex change operation and have to delve into the world of the Las Vegas transgender community to find the killer.