"Buffy" fans: Are you ready to see Sarah Michelle Gellar's real-life husband face off against "Angel" himself, David Boreanaz? It may not be exactly the battle Whedonites were waiting for, but "Bones" fans will see Freddie Prinze Jr. as a CIA agent named Danny, an "armed and dangerous" old associate of Booth’s, who's particularly invested in Booth (Boreanaz) and Brennan’s (Emily Deschanel) murder investigation. He'll appear in the Season 9 premiere, TVLine was the first to report. The Huffington Post has confirmed with a Fox rep that Prinze has potential for a multi-episode arc on "Bones'" upcoming season. Read more http://www.huffingtonpost.com/2013/...r-bones-season-9_n_3648896.html?utm_hp_ref=tv