Season 5 Episode 17

full size Brennan and Booth Attend Her High School Reunion in Season 5, Episode 17: "The Death of the Queen Bee"
Credit: Greg Gayne/FOX

Title: The Death of the Queen Bee
Air Date: April 15, 2010 at 12:00 AM PDT

Booth and Brennan investigate a skull and upper body unearthed at her alma mater, Burtonsville High School. Angela helps them identify the body as one of Brennan's classmates, and a possible connection is made to a murder that was committed 15 years earlier. In order to interrogate possible suspects, Booth and Brennan pose as a married couple at her high school reunion, where she reconnects with her only friend from high school: the dark-humored janitor.