A distant cousin of Brennan comes to visit, plus Booth happens to have bits of a fake Santa's remains on his clothes.
Brennan literally undresses Booth when his clothes become an evidence. Next week on "Bones", 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.
In the episode that celebrates the holiday spirit, "Bones" will welcome Zooey Deschanel aka the real-life sister of Emily Deschanel as a guest star. 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 (Zooey), a newly discovered distant relative.
"The Goop on the Girl" airs on December 10 as the last episode of this year. The show makes a return with new original episodes on January 14 being the lead of "Fringe". Later on February 18, "Bones" will change partner to "Past Life" before "Fringe" comes back on April 1.