A man claims he's being stalked and harassed online by a man he's never met in person, but the latter says he's the real victim, and that the former has posted hundreds of videos on the internet in which he accuses him of being an online predator.

Dr. Phil catches up with some of his most popular previous guests, including a mother who drank four liters of soda, an airline pilot who was sentenced to a year in jail for a crime he claims he didn't commit, and a woman who called off her wedding.