Knock, knock. Who's there? Water. Water who? Water you doing tonight?

Knock, knock. Who's there? Hawaii. Hawaii who? I'm good, how are you?

Knock, knock. Who's there? Cash. Cash who? No thanks, I prefer credit!

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

Knock, knock. Who's there? Cow. Cow who? Cow-moo-nicate with me!

Knock, knock. Who's there? Boo. Boo who? Boo-who, don't cry, it's just a joke!

Knock, knock. Who's there? Olive. Olive who? Olive you and miss you already!

Knock, knock. Who's there? Justin. Justin who? Justin time for me to tell you a joke!

Knock, knock. Who's there? Noah. Noah who? Noah good jokes around here?

Knock, knock. Who's there? Cow says. Cow says who? Cow says mooo!

Knock, knock. Who's there? Olive. Olive who? Olive you need is love!

Knock, knock. Who's there? Boo. Boo who? Don't be sad, it's just a knock-knock joke!

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

Knock, knock. Who's there? Alpaca. Alpaca who? Alpaca the suitcase, I'll alpaca the bags!

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

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce have some fun with knock-knock jokes!

Knock, knock. Who's there? Phillup. Phillup who? Phillup my glass, I'm thirsty for more jokes!

Knock, knock. Who’s there? Justin. Justin who? Justin time for dinner!

Knock, knock. Who’s there? Cash. Cash who? No thanks, I prefer peanuts!

Knock, knock. Who’s there? Boo hoo. Boo hoo who? Aw, don’t cry. It’s just a joke!

Knock, knock. Who’s there? Amish. Amish who? You’re not a shoe, you’re a person!