While investigating the remains of bodies that have been deemed unidentifiable, five “squinterns” uncover the identity of a man who died as a result of the 9/11 terrorist attacks, propelling the Jeffersonian team to determine if he was a perpetrator or a victim.

The episode was rated 8.16 from 697 votes.

Having been accused of murder, Brennan is on the run from the FBI, with help from her father Max. Booth and the Jeffersonian team are convinced evil tech genius Christopher Pelant has manipulated key evidence in the case to pinpoint Brennan as the prime suspect. Then, an anonymous tip leads the team to the remains of a high school guidance counselor that may hold the key to proving Brennan's innocence.

The episode was rated 8.17 from 765 votes.

The Jeffersonian team rushes to prevent a viral outbreak while investigating the murder of journalist Mia Garrett after her infected body is found at a biohazard facility. When the mutated virus that killed Mia infects Jeffersonian intern Arastoo Vaziri, their only chance of saving him is by solving the murder. Tension and passion build as the team races against the clock to find the killer - and the cure.

The episode was rated 8.17 from 762 votes.

The Jeffersonian team investigates the murder of Nancy Handelman, whose body was discovered at the time of Brennan and Booth's wedding rehearsal. When the case becomes more serious than the team anticipated, Cam and Angela do everything in their power to keep the details of the investigation from Brennan in order to ensure that she will stay focused on her big day. Tensions run high when unfortunate events occur to stall the wedding temporarily, and Max comes to town with a suspicious duffle bag full of money.

The episode was rated 8.18 from 936 votes.

Brennan gets a glimpse into her own life when the body of a brilliant and career-driven surgeon is found in a rough neighborhood with multiple fractures in her skull and no indication as to how or why she was there. While the team investigates the case objectively, Brennan struggles to separate her own life from the victim’s as she perceives many parallels between them the more she learns about the victim’s past. Meanwhile, evidence found at the crime scene brings the team closer to solving the case, but it’s Brennan’s unique perspective that propels her to retrace the final events of the victim’s life. With the reassurance of a new friend and Jeffersonian security guard, Micah Leggat, Brennan makes a discovery about herself and learns a lesson about taking chances.

The episode was rated 8.18 from 527 votes.

The remains of an escaped convict are found in a residential sewer, but an examination of the sewer pipes indicates that the murder occurred within prison walls. Brennan insists on solving the crime - despite Booth's pleas for her not to overexert herself - and the expectant couple experiences a very untraditional arrival of their baby daughter.

The episode was rated 8.18 from 641 votes.

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 episode was rated 8.22 from 516 votes.

After Hodgins and Angela are drugged and wake up to a bloody corpse hanging in the canopy of their bed and flower petals around their son Michael's crib, they are forced to believe that Pelant is back for revenge against Hodgins. Although Hodgins wants to go after Pelant directly, Booth knows it's best to work within the system and not go against protocol. Meanwhile, as the Jeffersonian team investigates the corpse, they discover the victim was a Special Forces agent working for the world's biggest supplier of mercenaries, and Angela and Hodgins decide to start an investigation without the rest of the Jeffersonian team for the sake of their family.

The episode was rated 8.23 from 687 votes.

The bodies of twin boys, kidnapped five years earlier, are discovered. The investigation lead Booth and Brennan to a notorious kidnapper known as the Grave Digger. During the investigation, Brennan and Hodgins become the Grave Digger's next victims.

The episode was rated 8.26 from 589 votes.

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.

The episode was rated 8.27 from 553 votes.

Evil tech genius Christopher Pelant, a suspect in a previous case Brennan and Booth handled, is back in court on appeal. Knowing what he is capable of, Brennan and Booth inform the judge that he is a suspect in two murder cases. Then, Brennan and Booth are called to the scene of a new murder. After determining the victim is Brennan's friend, who also is linked to Pelant, the Jeffersonian team works to prove he is guilty once and for all. But when law enforcement examines the team's findings, key pieces of evidence are tied to Brennan and suspicion falls on her.

The episode was rated 8.28 from 618 votes.

A mysterious young deaf girl is thought to have committed a recent murder after she's found on the streets, covered in blood and holding a knife. It's up to the Jeffersonian team to figure out who this girl is and determine if she's really the one to blame for the murder.

The episode was rated 8.33 from 546 votes.

The team investigates the death of a man who had offered Booth information on a possible government cover-up related to a previous case, but was killed before their meeting took place. As Booth and the Jeffersonian team dig deeper into the burgeoning conspiracy surrounding the man’s death, it’s evident Booth may be in over his head, and his future with the FBI is put in question.

The episode was rated 8.34 from 895 votes.

Rogue sniper Jacob Broadsky returns once again, claiming another victim and making Booth determined to put him away once and for all.

The episode was rated 8.36 from 597 votes.

In the 6th season finale, the team investigates the disturbing, unidentifiable remains of a bowler that were found jammed in one of the bowling alley's automatic pinsetters. After hitting a dead end in the case, Booth and Brennan decide to go undercover and join a competitive bowling team in search of answers.

The episode was rated 8.41 from 607 votes.