While not titled "Past Imperfect," this specific season and episode number features the crew meeting their own descendants from a divergent past.
For more detailed cast and production info, you can check the episode's IMDb page or Rotten Tomatoes summary. New York: Season 3, Episode 21 - CSI - Rotten Tomatoes [S3E21] Past Imperfect
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
A woman named Emma is found in a dumpster with her head wrapped in packing tape and her eyelids removed. This M.O. matches Clay Dobson, a serial killer recently released on a technicality. A woman named Emma is found in a
While the "S3E21" tag most accurately fits CSI: NY , the title "Past Imperfect" is common in other series: