Season 5 Episode 15

full size Brennan Is Interviewed by a Reporter Who's Interested in Her Newest Book in Season 5, Episode 15: "The Bones on the Blue Line"
Credit: Greg Gayne/FOX

Title: The Bones on a Blue Line
Air Date: April 1, 2010 at 12:00 AM PDT

A subway train Sweets is riding gets derailed by floodwater, and the overflow subsequently reveals human remains. While the team studies the bones back at the lab, Sweets suffers post-traumatic stress. Meanwhile, Brennan's latest book debuts to wild success.