Knock, knock. Who's there? Sidney. Sidney who? Sidney down, you're rocking the boat!

Knock, knock. Who's there? Ice cream. Ice cream who? Ice cream cone and get you!

Knock, knock. Who's there? Ketchup. Ketchup who? Catch up with me and I'll tell you!

Knock, knock. Who's there? Doughnut. Doughnut who? Doughnut forget to smile!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce through, it's your friendly neighbor!

Knock, knock. Who's there? Irma. Irma who? Irma little teapot!

Knock, knock. Who's there? Alpaca. Alpaca who? Alpaca the suitcase, you leave!

Knock, knock. Who's there? Harry. Harry who? Harry up, it's freezing out here!

Knock, knock. Who's there? Yoda lady. Yoda lady who? Yoda lay hee hoo!

Knock, knock. Who's there? Lemme. Lemme who? Lemme in, it's cold out here!

Knock, knock. Who's there? Castro. Castro who? Castro spell without my glasses!

Knock, knock. Who's there? Mikey. Mikey who? Mikey dropped my ice cream!

Knock, knock. Who's there? Wood. Wood who? Wood you like to hear a joke?

Knock, knock. Who's there? Olive. Olive who? Olive you and I think you're awesome!

Knock, knock. Who's there? Arthur. Arthur who? Arthur any snacks you don't mind sharing?

Knock, knock. Who's there? Alex. Alex who? Alex-plain when you open the door!

Knock, knock. Who's there? Ivana. Ivana who? Ivana hold your hand!

Knock, knock. Who's there? Buffalo. Buffalo who? Buffalo wings, let's eat!

Knock, knock. Who's there? Snow. Snow who? Snow use answering the door, it's locked!

Knock, knock. Who's there? Ya. Ya who? Yeah, this is a great joke!

Knock, knock. Who's there? Apple. Apple who? Apple you glad I didn't say banana?