Season 8: Episode 6 - Get Me Out of Here!

Get Me Out of Here!: ­The CSI’s find themselves buried in crime—literally—after a fraternity prank goes awry, and a pledge master is left for dead in an open grave. Obtaining a confession from a group of grave robbers, the team is able to find two of the three missing pledges and it becomes clear that the third pledge is buried somewhere underneath the city.