CSI stands for “Crime Scene Investigation”. It is a fantastic police procedural television drama. It won’t be any wrong to say that this TV series delivers heavy dosage of entertainment for all the crime thriller addicts. This television show was kicked off on the CBS network on October 6th 2000. In this show a squad of forensic professionals in Las Vegas is show solving the most hectic criminal cases like murder, rape and robbery. They make use of the most advanced gadgets with the help of which they dig deep in the crime case in order to find out the reason, aim and the of course the culprits of the offenses. Gil Grissom, Catherine Willows, Warrick Brown, Nick Stokes, Sara Sidle and Greg Sanders are few of the main characters of the show. Each and every characters of this show has been very well created by the creators of the show. Every character seems so important to the main plotline of the show that many a times it becomes quite difficult to distinguish the main and the recurring characters on the show. It is so popular in the entire world that the show has successfully completed nine long seasons and continuing with its tenth season.