Booth's alter ego makes his much-anticipated Bones debut this Thursday. Get ready to watch him wreak havoc and set the stage for a personal showdown with our hero.
Fittingly, his arrival dovetails with another infamous Bones villain's demise.
In "The Bullet In the Brain," the Gravedigger makes an appearance. Likely her last, at the hands of the sniper - at least according to the Bones promo we saw yesterday.
Whereas the Gravedigger was a horribly misguided version of Brennan, the sniper is effectively an evil version of Booth, using Seeley's trade in the worst possible way.
Watch clips from the episode, along with commentary from both Bones creator Hart Hanson and executive producer Stephen Nathan on the big story line, below ...