Title: The Dentist in the Ditch
Air Date: January 28, 2010 at 12:00 AM PST
Booth and Brennan are called in when a skeleton is found in the trenches of a Civil War battleground. Brennan determines that the remains are those of a present-day dentist, but a residue stuck on the bones obfuscates the cause of death. Meanwhile, Booth's brother Jared shows up with interesting news.