1. Knock, knock.

Who’s there?

Lettuce.

Lettuce who?

Lettuce in, it’s cold out here!.

2. Knock, knock.

Who’s there?

Boo.

Boo who?

Don’t cry, it’s just a joke!

3. Knock, knock.

Who’s there?

Cow says.

Cow says who?

No silly, Cow says mooo!

4. Knock, knock.

Who’s there?

Olive.

Olive who?

Olive you and I miss you!

5. Knock, knock.

Who’s there?

Harry.

Harry who?

Harry up and answer the door!

6. Knock, knock.

Who’s there?

Banana.

Banana who?

7. Knock, knock.

Who’s there?

Banana.

Banana who?

8. Knock, knock.

Who’s there?

Orange.

Orange who?

Orange you glad I didn’t say banana?

9. Knock, knock.

Who’s there?

Lettuce.

Lettuce who?

Lettuce in, it’s raining outside!

10. Knock, knock.

Who’s there?

Hickory.

Hickory who?

Hickory dickory dock, the mouse ran up the clock!

11. Knock, knock.

Who’s there?

Boo.

Boo who?

Stop crying, it’s just a knock-knock joke!

12. Knock, knock.

Who’s there?

Cows go.

Cows go who?

No silly, cows go moo!

13. Knock, knock.

Who’s there?

Ish.

Ish who?

Bless you!

14. Knock, knock.

Who’s there?

Hatch.

Hatch who?

Bless you, I just sneezed!

15. Knock, knock.

Who’s there?

Olive.

Olive who?

Olive you and I miss you so much!

16. Knock, knock.

Who’s there?

King Tut.

King Tut who?

King Tut-key fried chicken!

17. Knock, knock.

Who’s there?

Lettuce.

Lettuce who?

Lettuce tell you a joke!

18. Knock, knock.

Who’s there?

Orange.

Orange who?

Orange you glad I stopped by?

19. Knock, knock.

Who’s there?

Who.

Who who?

Is there an owl in here?

20. Knock, knock.

Who’s there?

Harry up.

Harry up who?

Harry up, it’s cold outside!