On August 3, 2007, Season One of lonelygirl15 celebrated its finale with an exclusive on MySpaceTV known as "12 in 12" where 12 videos were uploaded over the course of 12 hours from 8 am PST to 7 pm PST, culminating in the highest one-day viewership ever for the series.
In the last episode of the Season One finale, Bree's character is killed off by the order during the ceremony in the season finale and her trait positive blood was transfused into one of the order's elders.