CNBC said Miller's addition of his monkey co-host, better guests and expanding the number of correspondents, has worked for the former stand-up comic, reported zap2it.com Monday.
Miller has recently interviewed on his show former President George H.W. Bush, Gov. Arnold Schwarzenegger, the Rev. Al Sharpton, actor Ben Stein, chef Wolfgang Puck, and fellow-talk-show host Jay Leno.
"Dennis' show is the cornerstone of our primetime lineup and we could not be prouder to have him continue to be part of our team," said Bob Meyers, vice president at CNBC. "For the first time in our history, we are building a unique destination at night for our core business audience and Dennis and his show are fundamental to our strategy."