"If we were visited someday, I wouldn't be surprised. I just hope that it's not like Independence Day," said Clinton referring to the movie where aliens visit Earth and blow up the White House.
When Kimmel joked that he would be stuck in a bunker with Fox News host Bill O'Reilly, Clinton said he'd embrace the chance to settle their differences.
"Bill O'Reilly and every mean thing he said about me," Clinton said. "I'd tell him, 'I don't care -- look at that!'"