Videos: Trailers, Teasers, Featurettes
The twelfth season of CSI: Crime Scene Investigation premiered on CBS on September 21, 2011, and concluded on May 9, 2012. It consisted of 22 episodes. The show was moved to Wednesdays at 10:00 p.m., following Criminal Minds.
Streaming, rent, or buy CSI: Crime Scene Investigation – Season 12:
Currently you are able to watch "CSI: Crime Scene Investigation - Season 12" streaming on Amazon Prime Video.