Original airdate: November 19, 2009
Episode title: The Foot in the Foreclosure
Booth's grandfather Hank comes to live with him and tags along as Brennan and Booth investigate ashes and charred remains found by a real estate agent while showing a property to prospective buyers. The team identifies the victims as plus-size lovers, neither of whom seemed to have many enemies. Meanwhile, Hank tries to play matchmaker for Booth and lets Brennan in on some family secrets.