David Boreanaz in a Russian fur hat (and accompanying accent).
Emily Deschanel appropriately dressed as "the beautiful assistant."
Knives. Balloons. A murder mystery. And on top of it all, Andy Richter controlling not the universe, but a three-ring circus.
Check out this exclusive behind-the-scenes look at the first of Bones' two new episodes airing this Thursday, starting at 8 pm/ET on Fox.