In the city of Las Vegas, Nevada, with its constant influx of visitors, criminals are provided with ripe targets of all varieties. Luckily for the victims, the Las Vegas Police Department's night shift Crime Scene Investigations unit is led by Gil Grissom. With almost obsessive dedication towards his quest for the facts, he and his elite team of criminalists work various perplexing cases using scientific skills and equipment that are capable of finding valuable clues from the most seemingly unlikely sources.

Title from container. Originally broadcast on television during the 2003-2004 season. Contains all 23 episodes of the fourth season. Special features: original crime scene content - 4 exclusive featurettes taking you inside the evolution of an episode from concept to completion; audio commentary by the filmmakers on 7 episodes.

Assume nothing --All for our country -- Homebodies -- Feeling the heat -- Fur and loathing -- Jackpot -- Invisible evidence -- After the show -- Grissom versus the volcano -- Coming of rage -- Eleven angry jurors -- Butterflied -- Suckers -- Paper or plastic -- Early rollout -- Getting off -- XX -- Bad to the bone -- Bad words -- Dead ringer -- Turn of the screws -- No more bets -- Bloodlines.