1 Knock, knock.
Who's there?
Boo.
Boo who?
Don't cry, it's just a joke!
2 Knock, knock.
Who's there?
Lettuce.
Lettuce who?
Lettuce in, it's cold out here!
3 Knock, knock.
Who's there?
Cow says.
Cow says who?
No silly, cow says "moo"!
4 Knock, knock.
Who's there?
Orange.
Orange who?
Orange you glad you asked?
5 Knock, knock.
Who's there?
Owl.
Owl who?
Owl always love you!
6 Knock, knock.
Who's there?
Banana.
Banana who?
Knock, knock.
Who's there?
Banana.
Banana who?
Knock, knock.
Who's there?
Orange.
Orange who?
Orange you glad I didn't say banana again?
7 Knock, knock.
Who's there?
Justin.
Justin who?
Justin time for dinner!
8 Knock, knock.
Who's there?
Lettuce.
Lettuce who?
Lettuce in, it's raining outside!
9 Knock, knock.
Who's there?
Hatch.
Hatch who?
Bless you!
10 Knock, knock.
Who's there?
Boo.
Boo who?
Don't cry, it's just a joke!