VOA慢速英语:Comedian-in-Chief Appears on Seinfeld Web Show

episode – n. a television show, radio show, etc., that is one part of a series

comedian – n. a person who performs in front of an audience and makes people laugh by telling jokes or funny stories or by acting in a way that is funny

cool – adj. very fashionable, stylish, or appealing in a way that is generally approved of especially by young people

chat – v. to talk with someone in a casual way

demographic – n. a group of people that has a particular set of qualities— usually singular

out of one’s mind – expression to be mentally unstable