Trivia: At around 5 mins 11 seconds into the episode, Vincent Nigel-Murrey and Dr. Saroyan are discussing the bones on the forensic platform. In the background of a shot of Vincent, the x-ray on the screen is of Homer Simpson's head in the middle of the screen, instead of a real human skull.
Trivia: In one of the intros used in season 1 on TV you can see a clip of Ross, Chandler and Joey dancing in Ross' apartment. That clip is not in any aired episode. It's in the extended version of "The One with All the Poker".
Trivia: Lisa Kudrow auditioned for the role of Roz. She had actually appeared before in an episode of Cheers, when she played a character called Emily who was giving Woody acting lessons. Peri Gilpin, who got the part of Roz, also played a reporter in Cheers season 11 - "Woody gets an election."
Trivia: As of this episode, credits change due to the 9/11 attacks: Twin Towers next to Sarah Jessica Parker's name and the show's title are replaced with the Empire State Building and a different skyline, respectively.
Trivia: Daily Mail journalist Frederick McKenzie takes a photo of the Righteous Army, which is stated to be the only existing photo of Korea's freedom fighters. This photo is a direct recreation of a real-life photo of the Righteous Army, taken by Frederick McKenzie (who was a real-life war journalist) and is to date, the only existing photo of Korea's freedom fighters. (00:30:12)