Knock, knock. Who's there? Justin. Justin who? Justin time for some jokes!

Knock, knock. Who's there? Boo. Boo who? It's just me, don't be scared!

Knock, knock. Who's there? Thistle. Thistle who? Thistle have to do, since I'm here!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in already!

Omelette you finish this joke!

Alpaca the punchline, you'll love it!

Ivan-t to hear more jokes!

Mandarin orange, it's just a joke!

Meow or never, tell me another knock-knock joke!

Hannah down, I've got more jokes!

Ben waiting for you to ask me for more jokes!

Sherwood like to hear another joke?

Carmen let's tell more knock-knock jokes!

Artie ready for more jokes!

Just kidding with these knock-knock jokes!

Cheese louise, this is getting cheesy!

Pauline quiet, I'm trying to hear the joke!

Avery time I try to tell a joke!

Juan to meet you, my new friend!

Justin time for the punchline!

Beets me, I'm just a potato!