Title: The Couple in the Cave
Air Date: September 30, 2010 at 12:00 AM PDT
Two hikers stumble across the remains of a couple in a cave in a National Park, creating a double mystery: Who are the man and woman, and why were they killed? Meanwhile, Booth's girlfriend moves back to the states from Afghanistan, which leaves Brennan unsure of her relationship with Booth.
You stumbled onto something we're missing. Click the link above for more.