Knock, knock. Who's there? Police. Police who? Police tell me I'm getting a ticket for too many knock-knock jokes!

Knock, knock. Who's there? Banana. Banana who? Banana split for two, please!

Knock, knock. Who's there? Nut. Nut who? Nut without you!

Knock, knock. Who's there? Lena. Lena who? Lena many more jokes to come!

Knock, knock. Who's there? Water. Water who? Water way to answer the door!

Knock, knock. Who's there? Mikey. Mikey who? Mikey doesn't fit in the door, that's why I had to knock!

Knock, knock. Who's there? Olive. Olive who? Olive a sudden, I've forgotten the punchline!

Knock, knock. Who's there? Alma. Alma who? Alma-ost forgot to bring you a joke!

Knock, knock. Who's there? Howard. Howard who? Howard you like a nice big laugh?

Knock, knock. Who's there? Sam. Sam who? Sam person who's been telling all these jokes!

Knock, knock. Who's there? Cow says. Cow says who? Cow says mooove over, I've got more jokes!

Knock, knock. Who's there? Alpaca. Alpaca who? Alpaca the jokes, you bring the laughs!

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

Knock, knock. Who's there? Justin. Justin who? Justin time for another hilarious joke!

Knock, knock. Who's there? Tank. Tank who? Tank you for being a great audience!

Knock, knock. Who's there? Mustache. Mustache who? I mustache you to keep laughing at these jokes!

Knock, knock. Who's there? Robin. Robin who? Robin you! Hand over your cash!

Knock, knock. Who's there? Olive. Olive who? Olive your jokes crack me up!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce be friends forever!

Knock, knock. Who's there? Pizza. Pizza who? Pizza nice guy, can I come in?

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce celebrate with a joke!