A routine traffic stop turns into a wild police chase through the streets of a Las Vegas Latino ghetto. When all is finished, the crime scene stretches for miles, and our CSIs face an avalanche of ballistic evidence in order to find the real killer of a police officer who died on the scene, whom Grissom fears may have been the victim of "friendly fire" and not the men drug criminals they were chasing. watch
A plumbing leak becomes a deluge and wreaks havoc at Seattle Grace. watch
Meredith freaks out when Derek discovers her mother's old diary in the house and Cristina stumbles into a part of the hospital that she's never seen before. watch