Due to an error by Latinamerican broadcaster AXN, the first part of the series finale wasn't released on its premiere date (despite heavy promotion). Instead, the pay channel broadcast the second part of this finale twice.
Grissom asks at the end of the Part Two cold open "Who are you?", which is the main theme song.
The TV movie is dedicated to Roberta Custer, who was William Petersen's personal assistant all along his career. She died during the filming.
Ted Danson and William Petersen both starred in the movie Cousins (1989). Their characters had affairs with each other's wives.