The remains of an accountant for the state department are found in a hotel air conditioning unit; Booth finds an Army buddy and CIA agent, Danny Beck, removing evidence from the victim's condo; Brennan contemplates her future with Booth.
The investigation into the murder of a management consultant whose remains were partially eaten by bobcats leads to a marriage retreat site; Cam's identity is stolen; Sweets decides to take a leave of absence.
The team devises a plan to use a donated cadaver to draw out Pelant; Sweets returns to work and believes Agent Flynn isn't who he seems.
The team investigates the murder of a high school principal who was dying of cancer; Brennan and Booth plan their wedding; a virtual profiling system threatens Sweets' job.
The team tries to keep the details of an investigation away from Brennan so she will focus on her wedding; Max shows up with a suspicious bag of cash.
Unable to relax on their honeymoon, Booth and Brennan decide to help a local detective solve the murder of a Nazi war criminal; Hodgins and Angela look after Christine.
The team suspects that a man who made his money donating sperm was killed by a recipient who learned his records were inaccurate; Brennan enters a feud with a fellow author (Nora Dunn).
A key witness turns up dead in a case for which Brennan is a juror, so the team works to discover what has happened.
After Brennan is accused of murder, her father (Ryan O'Neal) helps her hide from the FBI; Booth and the team think an evil tech genius (Andrew Leeds) manipulated evidence to implicate Brennan.
A powerful divorce lawyer with a lot of enemies is murdered; the three-month separation between Booth and Brennan starts to take its toll.
After an explosion in a hotel garage, the Jeffersonian team tries to identify victims by investigating remains found at the scene; Sweets works with a temporary partner (Danielle Panabaker) while Booth works on the department's budget.
While investigating the death of an animal expo employee, the team is drawn into the world of animal trafficking; Brennan thinks she would be a good presidential candidate; Sweets and Daisy make a change.
The team investigates when a stockbroker -- who moonlights as a stripper -- is murdered; after a 24-year absence, Booth's mother (Joanna Cassidy) shows up with a request.
The team tries to prevent a viral outbreak during an investigation into a journalist's murder, whose infected body is found at a biohazard facility; when Arastoo Vaziri is affected by the mutated virus, the only way to save him is to solve the case.
Christopher Pelant returns to toy with the Jeffersonian team; an investigation reveals a string of murders tied to FBI agents; Brennan evaluates her relationship with Booth.
A woman's remains are found in a paintball field; Booth and Brennan adjust to life as an expectant couple.
The team identifies the remains of a competitive-eating champion just days before a contest; a brilliant new squint has trouble fitting in; Booth and Brennan try to put themselves in each other's places after a disagreement about the baby.
After dismembered remains are found in multiple mailing boxes, the team uncovers a complicated love triangle; Booth's grandfather reveals surprising news; Special Agent Genny Shaw (Tina Majorino) learns how important teamwork is.
The team suspects murder when a storm chaser is killed while filming a tornado; Booth becomes increasingly protective of Brennan.
After a cryptic message written in human blood is found at a national monument, the team ends up embarking on a scavenger hunt; Brennan and Booth search for their perfect family home.
When the remains of an escaped convict are found in the sewer, the investigation reveals the man died in prison; Brennan gives birth in unconventional circumstances.
When an extreme couponer's remains are found on the side of a road, the investigation leads the team to the supermarket where she shopped; Brennan adjusts to being at work and away from her baby; Cam is unhappy with her daughter's choice of suitors.
A corpse that has been dyed blue is found in a landfill; when Bones feels uncomfortable in her post-baby body, Booth tries to boost her self-confidence.
Booth and Brennan investigate the death of a truck company employee whose body is found in the woods; Hodgins buys new lab equipment; Brennan worries about Parker's return from England.
When a corpse is discovered in the woods, the team considers two families involved in a nearly century-long feud; Brennan is apprehensive when her father (Ryan O'Neal) offers to baby-sit for her daughter.
While in Los Angeles to consult on a film based on her latest book, Brennan discovers the prop cadaver being used is a murder victim; Booth gets a job offer; embarrassing information about Cam's past comes out.
When a past suspect is back in court on appeal, Booth and Brennan work to prove he is guilty once and for all; Brennan becomes a suspect.
The Jeffersonian team investigates when a notorious murderer known as "The Gravedigger" (Deirdre Lovejoy) is killed by a sniper.
A man's corpse disguised as a scarecrow is found in a cornfield; Booth and Brennan question the victim's three wives, who are also sisters; Cam doubts her relationship.
The team analyzes a BMX rider's remains, discovered on the roof of a warehouse; Sweets asks Booth for advice; Booth makes a decision about Hannah.
When the liquefied remains of a wedding planner are found in a tanning bed on Valentine's Day, Cam pressures the team to work fast so she can spend the holiday with her boyfriend; Clark helps Hodgins realize the best gifts come from the heart.
Sniper Jacob Broadsky takes out a victim who escaped from the justice system; Booth uses his military training to try to stop Broadsky before he strikes again; Angela's father visits the Jeffersonian.
During a blizzard that causes a citywide blackout, the team must solve a murder case that could be connected to a possible viral outbreak; Sweets starts a touchy conversation about Brennan and Booth's relationship.
Brennan teams up with a forensic podiatrist to match seven pairs of severed feet with bodies that wash ashore after a flood; Cam makes college plans for her daughter behind her back.
A TV-show host's remains are found in the wilderness; Vincent Nigel-Murray makes surprising confessions while making amends with each member of the team.
The remains of a maritime museum security guard are found in the Florida Everglades after an attempt to steal a 17th century nautical chart to find treasures; Booth asks a former Iraqi soldier for help with the case.
The remains of a successful ad man are found in a new community center playground; the members of the team try to communicate more honestly.
An unidentified 15-year-old girl, who is hearing impaired and not able to communicate, is found covered in blood and wielding a knife; Angela hides the details of her pregnancy.
Booth becomes more determined to catch Jacob Broadsky after he takes out another victim.
Brennan and Booth investigate the site of a train wreck that includes the bodies of a senator and a high-profile businessman.
At the scene of a plane crash involving Chinese diplomats, Brennan finds three small bone fragments that did not come from the plane and might have something to do with a local man who went missing five years earlier.
Brennan tries online dating but ends up the target of a shooting when she tries to meet her date at a local restaurant.
When the remains of a filmmaker are found in the ventilation shaft of an underground tunnel, Brennan and Booth discover a subterranean world of homeless people.
The investigation of the bones of a shooting victim leads to a counterfeiting ring.
When a body is found clutching a 300-year-old finger bone, Booth and Brennan's investigation leads them to a dive site where a pirate may have buried his treasure.
Brennan wakes up in the bathroom of her New Orleans motel room, bloodied and beaten with no memory of what happened.
While examining a young girl's cancer, Brennan and Booth uncover a bone-smuggling ring.
Booth and Brennan's investigation of an apparent suicide of a protester in Arlington National Cemetery may lead to a military scandal.