Eugene Byrd

Booth and Brennan look into the death of an undercover cop after his body is found with diamonds inside his body. Their investigation must determine whether the man's time undercover turned him, or the ATM thieves he had infiltrated set him up. Back at the lab, Brennan is volunteered for a documentary of the Jeffersonian made for fund raising. First, though, she must find a way to be likable on film.

Brennan's late work day has disastrous results when she is shot by someone at the lab and the team's investigation reveals the shooter has a connection to the Jeffersonian. Meanwhile, at the hospital, Brennan struggles to reconcile the illogical visions of her mother with her absolute belief in science and reasoning.

George gets a Chatswin makeover from Dallas which leaves him feeling right at home in the suburbs. But George's visiting New York friends aren't so enamored with the new look or the new girlfriend. Lisa and Tessa spend some time bonding which involves smoked fish and ends up with Tessa in the hospital.

Brennan, intrigued by Phil Jackson's management style, pulls all her interns together as a team for a project worthy of the basketball coach's philosophy. She charges them with identifying remains that have been determined unidentifiable. For the team, however, it turns out that naming the bodies may be the easiest part of their task when one of them is from 9/11 and they must decide if he is a victim or perpetrator.

At the day of Jenna's wedding, Wilfred gets upset when he thinks Ryan has been keeping secrets from after finding a picture Ryan drew as kid that shows Wilfred hinding behind a tree. Meanwhile, Ryan learns that there is evidence out there that could put him in jail and Amanda reveals a secret of her own.

The body of a high school guidance counselor may be Brennan's ticket home, but first the team must determine if Christopher Pelant is still controlling events behind-the-scenes. Meanwhile, Brennan and her father manage to elude the feds, and the FBI puts the Jeffersonian under the microscope.

When remains are discovered in the middle of the woods, the team is called in to determine the how and why this trucking company employee was murdered. Meanwhile, Hodgins has caught the shopping bug, and seems to think he has an unlimited budget, as he augments his lab with high-tech toys. At home, Booth copes with Parker's return from England and the realization he's no longer an "only."

The dismembered body parts of a Ship 'n' Print employee are found at a dead letter office, prompting the team to go in and investigate. A love triangle involving the victim complicates things. Meanwhile, Booth's grandfather reveals some shocking news to Booth.

In the fourth season finale, a murdered body is discovered at a popular nightclub called "The Lab." The Jeffersonian team takes on unusual roles, including the nightclub staff and law enforcement, in this dream-world episode.