"We owe you. And not just what you did for our careers ... We owe you because we learned from you," said Stephen Colbert, Jon Stewart's colleague and friend, in what appeared to be an unrehearsed appearance during Stewart's last episode of The Daily Show .
Stewart, who has been hosting the news show that remained unbiased through the past 16 years, started out saying "This is it. This is the last show." He thanked everyone who had been a part of the show, and became teary eyed as Stephen Colbert popped in with a Frodo comparison and words of gratitude. Watch!