FBI Agent Booth needs forensic anthropologist Dr. Brennan's help to solve the case of a decomposed body found in a pond in Arlington National Cemetery. She agrees to help if she is a full partner in the case.

Bones is called on to identify the body of a suspected suicide car bomber.

Bones and Booth investigate the body of a teenager found hanging in a tree on the grounds of an exclusive private school.

Bones and Booth travel to Washington to investigate an arm found in a dead black bear.

When a young boy goes missing from a mall, Bones is called in to determine if it is his body found in a nearby field.

Bones and Angela's night out goes bad when Bones kicks someone into a wall and reveals a mummified corpse and a bag of methamphetamines.

A condemned man's lawyer makes a last minute appeal to Bones and Booth to re-examine his case. After looking over the evidence, they determine that the man may not be guilty.

Bones and Booth investigate a missing woman found in a fridge while Bones reconnects with her former professor.

While the gang is quarantined in the lab for Christmas, they search for clues to solve the mystery of a skeleton found in a fallout shelter.

Bones and Booth travel to Los Angeles to investigate a body found on a beach. The case leads them to call girls and plastic surgeons. Back in Washington, Hodgins and Goodman clash while authenticating the remains of an Iron Age warrior.

Booth and Bones work quickly to solve not only a murder, but also the kidnapping of the victim's child.

Bones and Booth investigate a body found in an alley that is dressed in a costume. The case leads them to a missing teen involved in comic books and a role playing game.

Bones and Booth investigate the body of a woman found in the car of a gang member. The case leads them to a dangerous Central American gang and a Senator.

Bones is told to investigate a plane crash involving Chinese delegates, but she is more interested in bone fragments from a person who was not on the plane. The fragments lead to a man whose father has been missing for five years.

After Bones narrowly avoids being shot while on the way to a blind date, the shooter is thought to be connected to one of two murders she's investigating: one of mob boss James Cugini, the other a victim of serial killer Kevin Hollings.

The death of a documentary filmmaker sends Bones and Booth into the shadowy world of tunnels underneath the city.

Brennan goes to help Angela when her boyfriend goes missing in the desert, and Booth gets in on the action when the sheriff won't cooperate.

After a dead body is found near a 300 year old finger bone, Booth and Brennan investigate the site, which might be hiding pirate treasure.

Bones goes to New Orleans post-Katrina and becomes involved in Voodoo guided murder.

While examining a young girl's cancer, Brennan and Booth uncover a bone-smuggling ring.

Booth and Brennan's investigation into the apparent suicide of a protester in Arlington National Cemetery may lead to a major military scandal.

When Brennan's mother is found in the Jeffersonian's storage for unidentified remains, Booth opens an official FBI investigation to find out who killed her.

An investigation into a train wreck that claimed three lives, one of them a U.S. senator. In other events, Brennan clashes with the new boss, Dr. Camille Saroyan, who has a romantic history with Booth.

Booth seeks out the husband of a missing pregnant woman after her remains wash up onshore, but the suspect disappears. Meanwhile, Bones continues to clash with Cam, and Booth gets a visit from his ex.

When a tractor-trailer collides with a garbage truck, the skeleton of a 17-year old boy is found in the trash. A facial imprint from a shroud that wrapped the body helps identify the victim as a suburban honor student.

Serial killer Howard Epps returns as he reaches out from prison in a deadly game involving Bones and Booth.

A body is found in a tub filled with lye at a construction site, and Booth reexamines his feelings for his son's mother after they have a fling.

An explosion at a hotel has the team exploring drug cartel connections and struggling with diplomatic immunity.

When a girl's body is identified as a missing pageant queen, the investigation focuses on her parents.

A trip to Vegas to identify a body is complicated when a more recent body is found nearby.

When Hodgins and Brennan are buried alive, it's a race against time and a kidnapper who doesn't negotiate.

The headless skeleton of a young man is found in a state forest. Brennan and Booth's investigation becomes entangled in the local legend of a woman who was decapitated as a witch in the 1780s and is said to still haunt the forest.

Booth and Bones investigate a murder that is connected to Bones' father. Meanwhile, after obtaining his doctorate, Zack gets a makeover to appear more professional.

After Howard Epps orchestrates an escape from his penitentiary, he starts picking off the Jeffersonian team one by one and taunting Brennan with clues to save them.

While Brennan is paired up with another FBI agent to solve the murder of a co-ed found inside an alligator in the Everglades, Booth is sent to therapy after shooting a clown-shaped speaker on an ice cream truck.

Hodgins' lapse in judgment may cause a murderer to be set free, Brennan explores the world of dating, and Booth continues his therapy.

Just as Temperance is preparing to publicize her latest book, bodies start showing up that are eerily similar to the victims in her mystery novel.

Bones is called back from vacation - several times - after a boneless body is found, and Sully has a proposition.

When Booth and Brennan keep butting heads in a case involving a Catholic church, he convinces her to see Dr. Wyatt with him, and Hodgins suggest a change in his and Angela's relationship.

Booth's investigation into a presumed dead hit man turns quite dangerous, and Brennan ends up turning to an unlikely source for help.

Bones and her team must determine how a man was flattened in a pasture when his injuries don't coincide with the theory of the crime.

Homeland security asks Bones to examine some remains, thinking they're radioactive, and although the site is cleared two questions remain: why was an up and coming chef murdered, and why are the bones still glowing?

As the wedding approaches, the team investigates the life/death of a little girl. Bones's father shows up, with an heirloom and a message from her mother.

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" with him and his girlfriend.

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, desperately tries to prove her father's innocence. Meanwhile, Booth requires the assistance of therapist Dr. Lance Sweets to help with his partnership with Brennan.

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.

The dissected body of an author with OCD is discovered by a pair of teenagers and leads the team on a search for the head and the killer. Also, Sweets and Hodgins visit Zack in the mental institution.

Story of a murder in a nightclub with multiple suspects, with familiar faces in a different perspective. When the story's finished, Booth's health crisis takes an unexpected twist.

The milestone 100th episode takes viewers back in time six years as Brennan and Booth recount the first case they worked on together. With Sweets finishing his book on their partnership, Brennan and Booth take this opportunity to set the record straight. A young and rebellious FBI Agent Booth seeks the help of an team of anthropological scientists and a street artist to find the evidence that will prove his high-profile suspect guilty. Although in unfamiliar territory, Dr. Brennan, her grad student Zack and Hodgins get right to work, impressing Booth with their knack for uncovering new leads and substantiating his theory about a well-connected district judge. While the case cements a foundation for a successful future partnership, it also reveals the convoluted romantic beginnings of the formidable duo - whose feelings for each other almost destroyed the team but still linger years later.

The team attempts to find The Puppeteer, a serial killer from the past, who lives with his victim's bodies before disposing of them; Brennan struggles with guilt over not stopping the killer earlier.

Brennan has been kidnapped by her old assistant Zack, so Booth and the rest of the team have to find her.

Booth attempts to protect himself and those closest to him when Kovac escapes and initiates his most dangerous plan yet.

Brennan has been kidnapped by her old assistant Zack, so Booth and the rest of the team have to find her.

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

The team attempts to find The Puppeteer, a serial killer from the past, who lives with his victim's bodies before disposing of them; Brennan struggles with guilt over not stopping the killer earlier.

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.

Booth and Bones investigate a murder that is connected to Bones' father. Meanwhile, after obtaining his doctorate, Zack gets a makeover to appear more professional.

Bones and Booth investigate the body of a teenager found hanging in a tree on the grounds of an exclusive private school.

Bones is told to investigate a plane crash involving Chinese delegates, but she is more interested in bone fragments from a person who was not on the plane. The fragments lead to a man whose father has been missing for five years.

After Howard Epps orchestrates an escape from his penitentiary, he starts picking off the Jeffersonian team one by one and taunting Brennan with clues to save them.

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

The milestone 100th episode takes viewers back in time six years as Brennan and Booth recount the first case they worked on together. With Sweets finishing his book on their partnership, Brennan and Booth take this opportunity to set the record straight. A young and rebellious FBI Agent Booth seeks the help of an team of anthropological scientists and a street artist to find the evidence that will prove his high-profile suspect guilty. Although in unfamiliar territory, Dr. Brennan, her grad student Zack and Hodgins get right to work, impressing Booth with their knack for uncovering new leads and substantiating his theory about a well-connected district judge. While the case cements a foundation for a successful future partnership, it also reveals the convoluted romantic beginnings of the formidable duo - whose feelings for each other almost destroyed the team but still linger years later.