While the "S3E21" tag most accurately fits CSI: NY , the title "Past Imperfect" is common in other series:
Danny and Hawkes investigate the death of Scott Colson at Coney Island. They discover a woman dressed as a cowgirl who used an air gun to inject Scott with a lethal substance, eventually linking the crime to Scott's brother, Jesse. [S3E21] Past Imperfect
Detectives Briscoe and Curtis investigate the murder of a former cover girl with hidden secrets. While the "S3E21" tag most accurately fits CSI:
The guide for primarily refers to the police procedural drama CSI: NY , which aired on April 25, 2007. CSI: NY: "Past Imperfect" (S3E21) The guide for primarily refers to the police
Xena has flashes of her past life with Borias while trying to protect a village from an army.
While not titled "Past Imperfect," this specific season and episode number features the crew meeting their own descendants from a divergent past.
Stella Bonasera receives her HIV test results, which come back negative. Other Possible "Past Imperfect" Guides