Knock! Knock! Who’s there? Witches…

Knock! Knock! Who's there? Cereal. Cereal who? Cereal pleasure to meet you!

Knock! Knock! Who's there? Two knee Two knee who? Two knee fish!

Knock! Knock! Who's there? Icing. Icing who? Icing so loud, the neighbors can hear.

Knock! Knock! Who's there? Oink oink. Oink oink who? Make up your mind—are you a pig, or an owl?!

Knock! Knock! Who's there? Boo. Boo who? Hey, don't cry!