Credit: Richard Foreman/FOX ©2011 Fox Broadcasting Co. Photo: Brennan and Booth in an Elevator in Season 6, Episode 16: "The Blackout in the Blizzard"

We thought the song went, “The hipbone is connected to the backbone,” but in a new Bones preview for Thursday’s “The Blackout in the Blizzard,” Brennan’s (Emily Deschanel) hipbone is connected to Booth’s (David Boreanaz) face. Yep, you heard us right.

When the citywide blizzard leaves the two co-workers stuck in an elevator, their only hope of getting out is an escape hatch. But naturally they can’t agree on who should do the climbing, so Brennan forces Booth to measure which of them is narrower.

Sweets (John Francis Daley) arrives just in time to catch them in the act and can’t help but state the obvious: “Comparing body parts. What else do you do in a blizzard, right?”

We could come up with a couple of other things, but that’s a good start.