Air date: 4/19/06

Brennan is on vacation in New Orleans identifying bodies of Hurricane Katrina victims. When she suddenly wakes up and realizes that she has lost her memory of the previous day, Booth flies down to help her. Soon, she becomes the prime suspect in a murder case.

The Graft in the Girl

Air date: 4/26/06

The team helps FBI Deputy Director Sam Cullen's daughter, Amy, when she contracts a rare form of lung cancer after receiving a bone graft. Booth and Brennan learn she is not the only victim with this rare form of cancer.

The Soldier on the Grave

Air date: 5/10/06

A charred body found in a cemetery leads to the team investigating a possible cover-up involving a group of soldiers in the Iraq war.

The Woman in Limbo

Air date: 5/17/06

Booth opens an investigation into the disappearance of Dr. Brennan's parents when her mother's remains are discovered. Brennan reunites with her brother, who Booth brings to Washington, D.C. to help in the investigation.