Knock, knock. Who's there? Ya. Ya who? Ya ready for more jokes to come?

Knock, knock. Who's there? Butter. Butter who? Butter open up, it's joke time!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce hear another joke!

Knock, knock. Who's there? Annie. Annie who? Annie more jokes you've got?

Knock, knock. Who's there? Voodoo. Voodoo who? Voodoo you think you are? Making me laugh!

Knock, knock. Who's there? Ken. Ken who? Ken you believe we're still making jokes?

Knock, knock. Who's there? Snow. Snow who? Snowbody but me, ready for another joke!

Knock, knock. Who's there? Tank. Tank who? Let's tank everyone for laughing at our jokes!

Knock, knock. Who's there? Boo. Boo who? Boo-hoo, such a sad knock-knock joke!

Knock, knock. Who's there? Atch. Atch who? Bless you, it's just a joke!

Knock, knock. Who's there? Wood. Wood who? Wood you believe it, another joke!

Knock, knock. Who's there? Interrupting doctor. Interrupting doct- You have 30 seconds to live!

Knock, knock. Who's there? Hatch. Hatch who? Bless you, you sneezed!

Knock, knock. Who's there? Cow says. Cow says who? Cow says moooove out of my way!

Knock, knock. Who's there? Boo. Boo who? Aw, why are you crying? It's just a joke!

Knock, knock. Who’s there? Tick. Tick who? Tick-tock, it’s time for a joke!

Knock, knock. Who’s there? Moo. Moo who? Are you crying or just laughing at this joke?

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

Knock, knock. Who’s there? Bean. Bean who? Bean a while since I last told a joke!

Knock, knock. Who's there? Ravioli. Ravioli who? Ravioli want jokes all night long!

Knock, knock. Who's there? Taco. Taco who? Taco 'bout some good jokes!