Bones reluctantly searches for a replacement for Zack. A skull is tossed off a highway overpass and hits a vehicle. There is evidence the victim was eaten by a cannibal.

A soccer mom dies as her car explodes, leading the team to discover that she was a murder suspect wanted for 30 years.

A body with equine markings sends Booth and Bones into a world of fetishism, and Angela agrees to undergo hypnosis to get the name of her husband.

A charred body leads to a philandering organic farming magnate.

The discovery of two mummified girls has Booth and Bones checking a fun house, a Halloween maze and a church charity for clues that may lead them to a missing girl whose parents believe she's dead.

One of the Jeffersonian's interns is found in the incinerator, and most of the institute believes it's the work of the Gormogon serial killer.

A 20-year-old body is found when a time capsule is opened, and focus turns towards the victim's fellow high school students.

The Gormogon killer strikes again, and his next play is a little close to home. Russ returns to face a parole violation when his girlfriend's daughter takes a turn for the worse.

Brennan and Booth investigate the death of a Santa as Bones tries to give her father the Christmas he's always dreamed of, and Booth comes to terms with not spending the holiday with Parker.

Booth and Brennan investigate the death of a motorcycle racer, and when another seeming accident occurs on the track attention turns to the team owners and a reporter, meanwhile Dr. Sweets manipulates them into a "social outing" w...

The body of a star athlete is found behind the bleachers at Atlantic State University gymnasium.

Miraculously surviving a suspicious car accident that kills its mother, a baby is left with Booth and Bones who care for the infant while investigating the crime.

Brennan's father Max goes on trial for the alleged murder of FBI Deputy Director Robert Kirby, requiring everyone on the Jeffersonian team but Brennan to testify for the prosecution. Brennan, the forensics advisor for the defense,...

Brennan and Booth investigate the murder of an aspiring singer, and Booth attracts a groupie.

Heartbreak hits the Squint Squad as they deal with the aftermath of the shooting and finally Gormogon and his Apprentice are revealed.