Arthur Posted on June 15, 2017June 15, 2009 by admin Knock-knock. Who’s there? Arthur. Arthur who? Athurmomiter’s broken. (Our thermometer’s broken) Spread the love Related posts: Knock KnockWho’s there?Teachers!Teachers who?Teachers for Knock KnockWho’s there?Bacon!Bacon who?Bacon a Knock Knock 183 Police