Apple Sauce Posted on July 16, 2016July 16, 2010 by admin Knock-Knock. Who’s there? Apple. Apple who? Apple sauce! Spread the love Related posts: Knock KnockWho’s there?Rocky!Rocky who?Rocky bye Knock KnockWho’s there?Bitter Bianca!Bitter Bianca Knock KnockWho’s there?Oman!Oman who?Oman, you Police