
After a skull smashes into the windshield of a teenager's car, the investigation reveals the skull has been gnawed on by human teeth, which implies cannibalism and marks the beginning of the Widow's Son case. Meanwhile, Angela and Hodgins hire a private investigator to find her husband. Bones searches for Zach's replacement and the team gets a wonderful surprise.
Guest Stars:
Eugene Byrd, Patricia Belcher, Andrew James Allen, Adam Weisman, Raphael Sbarge
Brennan and Booth investigate the death of a soccer mom who was blown up in her mini-van. They soon discover that the victim was part of a group of radicals from the 70's, adding several names to the list of possible suspects.
Guest Stars:
Ryan O'Neal, Patricia Belcher, Scout Taylor-Compton, Richard Cox, Chris Tardio
Things get kinky when Booth and Brennan follow murder clues that lead to a lodge used as an S&M retreat for "jockeys" and their "horses." Meanwhile, Angela tries hypnosis in an effort to figure out her elusive husband's name so she can finally divorce him.
Guest Stars:
Michael Cudlitz, Miles Heizer, Anne-Marie Johnson, Christina Cox, Bess Meyer
When a body that appears to be cooked is discovered, the clues lead Booth and Bones to an organic farm co-op. Meanwhile, the two of them must meet with Lance Sweets, an FBI psychologist who must determine if they should continue to work together.
Guest Stars:
John Francis Daley, Erin Chambers, Christopher Darga, Beth Grant, Denise Crosby
On Halloween, two mummified bodies are discovered and found to be people reported missing the past two Halloweens. When Booth and Bones learn about a missing girl, linked to the suspect of the previous murders, the race is on to save her life.
Guest Stars:
Rider Strong, Azura Skye, Lynsey Bartilson, Terry Rhoads, Nathan Anderson
The team suspect their own colleagues after the burnt remains of an intern at the Jeffersonian are discovered. Meanwhile, Booth poses as Cam's boyfriend at her family get-together.
Guest Stars:
Xander Berkeley, Sam Jones, Terrell Tilford, E.E. Bell, Scott Rinker
On the 20th anniversary, the Foothill High School, class of '87 alumni unearth the time capsule they buried to discover the remains of one of their classmates inside. Booth and Bones investigate the past lives of his classmates in an effort to discover the truth.
Guest Stars:
After the body of an archbishop is found, missing the kneecaps, the team concludes the murder is related to the Widow's Son case.
Guest Stars:
John Francis Daley, Ryan O'Neal, Patricia Belcher, Leon Russom, Bess Wohl
Booth and Brennan investigate a mall Santa named Kris Kringle who was found dead by two elves. A series of clues makes the murdered mall Santa seem like he's the real deal.
Guest Stars:
John Francis Daley, Ryan O'Neal, Patricia Belcher, Alessandra Torresani, Reginald VelJohnson
A body discovered in a hot spring turns out to be that of Tripp Goddard, a sexy motorcycle racer who had disappeared two weeks earlier. Sweets talks Booth and Bones into going out with him and his girlfriend.
Guest Stars:
John Francis Daley, Channon Roe, Abigail Spencer, Chris William Martin, Wings Hauser
All team members are working to identify the bones from a college athlete who suffered a lot of fractures. After the body is identified they talk to his sister and somebody who acted as a sort of an adviser for the deceased. Angela and Hodgins have an important talk. Zack is overwhelmed by having to reconstruct the crushed bones to form a skeleton.
A woman's car is run off the road and she is killed, but her baby miraculously survives the accident. Booth and Brennan go to the woman's hometown to try to find out who's responsible for running her car off the road. Bones, with help from Booth, takes care of the baby until the team finds out who killed the mother.
Guest Stars:
Brennan's father Max Keenan is on trial for the alleged murder of FBI Deputy Director Kirby. Everyone on the team, except for Brennan, is called as a witness for the prosecution during the trial. Brennan on the other hand is the forensics advisor for the defense, and she must rely on both her dedication to her family and her skill as an anthropologist to help free her father.
A wannabe singer Tommy Sour was found on a grassy location. The investigation leads Brennan, Booth, and Cam to the Checker Box Restaurant where Tommy used to sing. There are several suspects who took part in the open mike contest there, with talent scouts in the audience. The group comes together with a startling revelation for Brennan.
The Gormogon serial killer is back again, and the silver skeleton from the basement vault has gone missing. All the Jeffersonian employees become suspects, with the scary possibility that one of their own is working with Gormogon.
Guest Stars:
John Francis Daley, Patricia Belcher, Jill Arrington, Donnie Jeffcoat, Graham Miller
John Francis Daley, Rick Ravanello, Patrick Fabian, Patrick Fischler, Kristin Bauer
Guest Stars:
Jamil Walker Smith, Michelle Page, Erik von Detten, Mekia Cox, Taylor Kinney
Austin O'Brien, Cameron Dye, Thomas F. Wilson, Becky Wahlstrom, James Lashly
Guest Stars:
John Francis Daley, Ryan O'Neal, Eugene Byrd, Patricia Belcher, George Wyner
Guest Stars:
John Francis Daley, Ethan Phillips, Ace Young, Brandon Rogers, Corbin Allred
24 Episodes