|Writer||Anthony E. Zuiker|
|Original Airdate||May 10, 2001|
Evaluation Day is the twenty-second episode in season one of CSI: Crime Scene Investigation.
It is evaluation day for the CSIs as Grissom and Catherine find a severed head in the back of a car that had been stolen by two party girls. Meanwhile, Sara and Nick deal with a headless body that appears to have fallen from the sky and landed in the desert. Warrick has problems of his own when James, the boy from Crate 'n Burial, is the only witness to a murder in his juvenile detention center and his decision about testifying may cost him his life.