Tiffany Hines

When human remains are found alongside the railroad, Brennan and Booth are called to the case. The bones belong to Levi Yoder, a member of the Amish community who disappeared roughly two months prior to his Rumspringa, or exploration of the outside world. Brennan and Booth discover that Levi was a piano prodigy, and their investigation leads them to believe that his extraordinary talent may have lead him to an untimely death. Meanwhile, Cam copes with the stress that comes from being a new parent, and Booth helps keep Cam's stepdaughter Michelle (guest star Tiffany Hines) in line.

With the help of Special Agent Genny Shaw (guest star Tina Majorino), the Jeffersonian team identifies the remains of a discount shopper and “extreme couponer” who was dragged along the road by an 18-wheeler. Meanwhile, Brennan is adjusting to her first day back at work after giving birth, and Cam disapproves of her daughter’s romance with intern Finn Abernathy (guest star Luke Kleintank).

When a man dressed as Santa Claus blows himself up during a botched bank robbery, Brennan and Booth work to identify the bomber and determine his motives. Meanwhile, Brennan makes plans to spend Christmas in El Salvador, but her father (guest star Ryan O'Neal) convinces her to spend the holidays with him and Margaret Whitesell (guest star Zooey Deschanel), a newly discovered distant relative.

Seven pairs of dismembered feet wash ashore after a recent flood on the U.S.-Canada border, but things don’t add up when six pairs of feet are identified as research corpses from a nearby university body farm. When Canadian forensic podiatrist Dr. Douglas Filmore takes the remains back to Canada, he and Brennan form an alliance to match the pairs of feet and identify the victim, and a rare and expensive pair of sneakers leads the team to the victim’s murderer. Meanwhile, Cam gets in hot water when she makes college plans for her daughter behind her back.

When human remains are discovered in the world’s largest chocolate bar, a “sweet” event for a candymaker (guest star Wayne Knight) quickly turns bitter. As eccentric chocolate factory owner Jimmy Walpert deals with the tragedy, the team soon discovers that the victim was a mysterious character whose past is full of secrets, lies and love affairs. Meanwhile, Cam struggles with her daughter’s decision to attend a university that fails to meet her high standards, and Hodgins asks Angela to arrange a party to announce her not-so-secret pregnancy.