[1] He made his first screen appearance in the show's pilot, broadcast on October 6, 2000, and departed the series on February 15, 2015, in "The End Game."
[6] After leaving college, he joined the Dallas Police Department and took a job with the crime lab, where he specialized in hair and fiber analysis.
Nick has a natural empathy with the people affected by the crimes he investigates, in contrast with many of his colleagues, who prefer to keep an emotional distance.
In the season-five episode "Grave Danger," Nick is kidnapped and buried alive in a glass coffin rigged with explosives.
[7] Nick is characterized as something of a ladies' man, but the only onscreen romance over the course of the series is a brief affair with a prostitute named Kristi Hopkins and a date with Dr. Robbins's niece.
[9] Again, during breakfast with the team at a diner, Nick eyes a pretty waitress and stays behind to get her number, while Warrick leaves.
[10] In the season 13 episode "Play Dead", Nick refers to a girlfriend in passing when talking to his dog, Sam.
In the season-12 finale, "Homecoming", Nick announces to his colleagues that he is quitting his job at CSI, as he is no longer able to stand the widespread corruption in the department.
In the season 13 premiere, "Karma to Burn", following a drunken confrontation with police, he is convinced by Sara Sidle to return to the team.
In "The End Game", Nick leaves Las Vegas when he is named the director of the San Diego PD crime lab.
Eads' departure from CSI: Crime Scene Investigation was announced in November 2014, and Nick made his exit at the end of the 15th and final season.