VIDEO: Sneak Peek - Jeff Foxworthy Chats AMERICAN BIBLE CHALLENGE on 'Rock Center'

The Bible is a best-seller, but it still seems unlikely as the center of a game show. But it is, and it's a big hit. GSN is finding success in its faith-based game show, "The American Bible Challenge," where host Jeff Foxworthy says, if you don't know your Bible, you don't have a prayer.

Harry Smith goes to the set to find out what in Heaven's name is going on. Harry Smith's full report airs Fri., Feb. 15 at 10pm/9c on NBC's Rock Center with BrIan Williams. Get a sneak peek bleow!

David Corvo is the senior executive producer, Alexandra Wallace is the executive producer and BrIan Williams is the anchor and managing editor of "Rock Center with BrIan Williams" (Fridays at 10p/9c). Follow us at RockCenterNBC.com, facebook.com/rockcenterNBC and @rockcenterNBC/#RockCenter.