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 convinces her to spend the holidays with him and Margaret Whitesell, a newly discovered distant relative.
Quest roles:
Ryan O'Neal(Max Keenan), Carla Gallo(Daisy Wick), Tiffany Hines(Michelle Welton), Dorian Missick(Owen Thiel), Wendy Phillips(Abby Chevaleer), Melinda Page Hamilton(Georgia Hartmeyer), Zooey Deschanel(Margaret Whitesell), Jack Kehler(Malaki Wallace), Matt McTighe(Santa Claus / Holden Chevaleer), J.J. Boone(Teller), David Paul Francis(Hindu Gentleman)