Emily Deschanel, Geoff Stults, and David Boreanaz, <i>Bones</i> Emily Deschanel, Geoff Stults, and David Boreanaz, Bones

Make no bones about it: Bones creator Hart Hanson is more than a little nervous about how his show's loyal (and very vocal) audience will receive the characters from his proposed spin-off when they make their debut in Thursday's episode, which is titled "Finder."

"I have warned them about this from the beginning. I said... 'Now, listen — when this goes on the air, there's going to be a loud group of people who hate [these characters]," Hanson tells TVGuide.com with a squealing laugh. "Our record of introducing new characters on Bones — it doesn't go well.

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