This week, three new episodes offer a workplace mystery, St Patrick’s Day in New York City and a trip to the past. Official plot details and cast lists after the jump.

The franchise offers three new episodes this week, including rocker-turned-director Rob Zombie behind the scenes and country superstars Rascal Flatts onscreen. Official plot details and cast lists after the jump.

The flagship series is preempted this week, but the spinoffs offer a case that’s out of this world and murder in the fast lane. Official plot details and cast lists after the jump.

The franchise airs three new episodes this week that offer the return of Delko and Kyle, vampires in NYC and street racing in Vegas. Official plot details and cast lists after the jump.

Three new episodes offer a bisected victim, lingerie football gone wrong and death at a golf tournament. Official plot details and cast lists after the jump.

The franchise is back with three new episodes to get things going for 2010. Official plot details and cast lists after the jump.

As the franchise prepares to go on hiatus until the new year, all three series air fresh episodes that offer the return of a familiar face, a group of special guest stars and a suicide connection. Official plot details and cast lists after the jump.

The franchise offers three new episodes featuring a life-threatening explosion, a deadly house and a birthday celebration gone wrong. Official plot details and cast lists after the jump.

The franchise offers backstory for Cardoza, the climax of the Compass Killer arc and a repeat of Langston’s first day. Official plot details and cast lists after the jump.

The franchise offers an NBA guest star, the return of the Compass Killer and death in a bowling alley. Official plot details and cast lists after the jump.

The franchise crossover airs this week as Dr Ray Langston (Laurence Fishburne) makes his way through all three CSI series. Official plot details and cast lists after the jump.

This week, the franchise offers three new episodes that feature a bachelor party gone wrong, a kinky food trend and two connected cases. Official plot details and cast lists after the jump.

The franchise airs two repeats, and the flagship series offers a football team under suspicion. Official plot details and cast list after the jump.

The CSI franchise offers two new episodes this week, including a deadly outbreak and a dance battle gone wrong. Official plot details and cast lists after the jump.

The new season continues with three more fresh episodes offering hidden treasure, a false confession and a slain officer. Official plot details and cast lists after the jump.