The Couple in the Cave

A couple's remains that are discovered in a National Park cave create a double mystery: who are they and why were they killed? Elsewhere, Booth's girlfriend drops by, unexpectedly stateside from her assignment as a correspondent in Afghanistan, which leaves Brennan unsure of her relationship with Booth.

TV-14-DLSV
Season 6 | Episode 2

Cast

Emily Deschanel

as Dr. Temperance "Bones" Brennan

David Boreanaz

as Agent Seeley Booth

Michaela Conlin

as Angela Montenegro

Eric Millegan

as Zack Addy

T.J. Thyne

as Dr. Jack Hodgins

Tamara Taylor

as Dr. Camille Saroyan