Brennan receives some bones that she must identify, but is stunned when she finds that the remains are those of her mother. Brennan is hit hard by this discovery, and understandably so, since she never knew what happened to her parents after they disappeared 15 years ago. An investigation is ...

Brennan and Booth go to investigate an apparent suicide in Arlington National Cemetery, but soon find out that it was murder and that the victim was a soldier who had served in Iraq. The investigation leads to a lot of unanswered questions about the military unit of the victim, with ...

The team helps Deputy Director Sam Cullen's daughter, Amy, when she contracts a rare form of lung cancer after receiving a bone graft. Booth and Brennan learn she is not the only victim with this rare form of cancer.

Brennan takes a vacation down to New Orleans to help identify victims of Hurricane Katrina. While at her hotel, she wakes up the next morning bloody and beaten, with no memory of what happened. Booth comes down to try and help her figure out what happened. When the local medical ...

Booth and Brennan investigate a case involving a 300-year-old finger bone and a site where there might be pirate treasure. Hodgins is excited when he's able to leave the lab and help with the case, but his life is put in danger and it's up to Booth and Brennan to ...

While on vacation, Angela finds a skull in the desert. She asks Brennan for help in identifying the skull because she is afraid it might be her boyfriend, who has gone missing with a local guide. The investigation leads the team through a violent boyfriend, the local sheriff and ultimately ...

Brennan and Booth stumble upon a subterranean world of homeless people when they find the remains of a filmmaker in the ventilation shaft of an underground tunnel.

When Brennan decides to give on-line dating a try she ends up the target of a shooting at the local restaurant where she's meeting a date. The resulting investigation reveals that the shooter could be connected to any one of the two cases that she is working on. She ends ...

Brennan and Zack investigate a small jet crash that was carrying some Chinese diplomats and a woman. At the crash site, Brennan finds some bone fragments that do not belong to any of the passengers, but might belong to a man who has been missing for five years. Dr. Goodman ...

Booth and Brennan are called in to investigate when a dug up corpse is found in the back of a gang member's car. While he is being questioned, a drive-by shooting allows him to escape. Booth and Brennan follow the clues, which lead them to another empty grave as well ...