Air date: 5/16/07

The team works on finding how Chelsea Cole, a fan of astronomy who suffered from Werner syndrome, died. Meanwhile, Hodgins and Angela prepare for their wedding. Zack is asked to serve his country in Iraq. Brennan's father, Max, tries to let her in on her past and brings her a 1993 video of her mother. Booth and Max get into a fist fight before Max surrenders to his arrest.