Booth’s Brother Jared Booth and Brennan investigate the scene where a body was uncovered during a botched practice police raid. The team identifies the body as a struggling inventor’s father who had recently reunited with his son. But when a second body surfaces, the team is led on a trail of deception to find out who was the actual con-man in the inventor’s life. Clark Edison returns to the lab, and he and Hodgins work on piecing together blueprints from one of the inventor’s potentially valuable inventions. Meanwhile, Brennan likes Booth's brother and goes out on a date with him. She learns a thing or too about Booth's past while out on the date.

The episode was rated 7.84 from 495 votes.

A shallow grave holds the remains of conjoined twins; Booth and Brennan infiltrate a circus community after they discover that the twins were jugglers there.

The episode was rated 7.85 from 455 votes.

Parker, Booth's son, discovers a corpse's finger in a bird's nest, causing the team to launch an investigation to try to find the rest of the body. After finding the corpse, the team discovers that the death was caused by a dog, leading them to an illegal dog fighting ring and a search for the killer dog and its owner.

The episode was rated 7.85 from 489 votes.

Booth and Brennan are sent to investigate when human remains are found during a photo shoot. When the team uncovers a meteorite in the victim's ear, they are led to the Collar Institute of Science in D.C.

The episode was rated 7.86 from 461 votes.

The Season 4 Finale. A dead body is found at a club called "The Lab." The team has to do some unexpected and unusual things that have to do with this club. Brennan and Booth may become a couple.

The episode was rated 7.87 from 450 votes.

When a volunteer fireman is murdered at an ice rink, Booth and Brennan begin the investigation, but Booth must excuse himself due to a conflict of interest. When details come to light, Booth becomes a suspect in the homicide.

The episode was rated 7.87 from 475 votes.

The team investigates a sci-fi convention when a woman in a medieval princess dress is found murdered. With Booth's back injured, Agent Payton Perotta steps in once again to help

The episode was rated 7.88 from 456 votes.

When it is discovered that a stage prop used by a Norwegian death metal band is in fact a real human skeleton, the remains are sent to the Jeffersonian when authorities determine the victim was an American citizen.

The episode was rated 7.90 from 473 votes.

When the half-eaten body of Cam's former fiancee is found in the tiger cage at the zoo, Booth and Brennan uncover that his death was far from accidental. Now the team must put the pieces of the fiancee's final day back together, including hypnotizing a suspect in order to spark his memory.

The episode was rated 7.90 from 458 votes.

Brennan's father Max lands a teaching position at the Jeffersonian. When he ends up helping out with the murder case at hand, Brennan is noticeably bothered by his sudden presence in her professional life.

The episode was rated 7.91 from 481 votes.

When a Jeffersonian coworker dies of heart failure, the entire team goes to the wake where, upon viewing the body, Brennan realizes the death was no accident.

The episode was rated 7.92 from 465 votes.

With the case of the murdered heiress solved, Booth and Brennan prepare to head back home, but are shocked to learn of another murder - and this time it's someone they know. Meanwhile, with Birimbau unexpectedly coming back into Angela's life, things get complicated between her and Hodgins.

The episode was rated 7.94 from 241 votes.

While en route to China to identify prehistoric anthropological remains, Booth and Brennan are called upon to solve a murder in midair when the flight attendant discovers a fully cooked human body in the plane's microwave.

The episode was rated 7.98 from 468 votes.

The team is on the case when human remains are found inside a barrel of wine during a wine tasting. When the victim turns out to be a wine critic whose scathing reviews were capable of sending a vineyard to its ruin, everyone from the winery's owner to the victim's own wife becomes a suspect.

The episode was rated 8.04 from 465 votes.

While trapped and trying to escape from a ship in the middle of the ocean, Booth is haunted by strange hallucinations.

The episode was rated 8.12 from 496 votes.