Knock, knock. Who's there? Cows. Cows who? Cows don't know, we just moo!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce make this quick!

Knock, knock. Who's there? Olive. Olive who? Olive you so much!

Knock, knock. Who's there? Orange. Orange who? Orange you glad you answered?

Knock, knock. Who's there? Olive. Olive who? Olive the above!

Knock, knock. Who's there? Adopt. Adopt who? Adopt me, I'm lost!

Knock, knock. Who's there? Arthur. Arthur who? Arthur any snacks?

Knock, knock. Who's there? Yogurt. Yogurt who? Yogurt to tell me before!

Knock, knock. Who's there? Olive. Olive who? Olive branch peace offering!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce know when you're coming over!

Knock, knock. Who's there? Boo. Boo hoo? Stop crying, it's just a joke!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce inside, it's raining!

Knock, knock. Who's there? Fire. Fire who? Fire truck, coming through!

Knock, knock. Who's there? Boo. Boo who? Let's not boo-hoo, it's just a joke!

Knock, knock. Who's there? Fiji. Fiji who? Fiji-yours when you can't find something!

Knock, knock. Who's there? Izzy. Izzy who? Izzy lot of fun hanging out with you!

Knock, knock. Who's there? Spells. Spells who? W-H-O!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's getting windy out here!

Knock, knock. Who's there? Who. Who who? Are you an owl in disguise?

Knock, knock. Who's there? Chelsea. Chelsea who? Chelsea later, alligator!

Knock, knock. Who's there? Boo. Boo who? Is there a ghost in here?