- Dueling Shows: Aftermath, specifically Population: Zero, on The National Geographic Channel.
- Follow the Leader: Both Life After People and Aftermath: Population Zero tread exactly in the same footsteps as the book The World Without Us, which had become so explosively popular the previous year (Time Magazine named it one of their Books of the Year for 2007) that it was practically begging for exactly this type of series.
- Hey, It's That Sound!: Quake teleporter sound.
- Shoot the Money: The producers must have spent a small fortune on creating the CGI collapse of the Space Needle in Seattle, because they used it over and over again in the original special.
Trivia / Life After People