Knock, knock. Who's there? Broccoli. Broccoli who? Broccoli and cheese, please!

Knock, knock. Who's there? Ivana. Ivana who? Ivana be alone if you don't let me in!

Knock, knock. Who's there? Armageddon. Armageddon who? Armageddon outta here if you don't open this door!

Knock, knock. Who's there? Soda. Soda who? Soda you like to hear another joke?

Knock, knock. Who's there? Howard. Howard who? Howard you doin' today?

Knock, knock. Who's there? B-4. B-4 who? B-4 I forget, let me in!

Knock, knock. Who's there? Snow. Snow who? Snow one like you!

Knock, knock. Who's there? Thistle. Thistle who? Thistle be the best knock-knock joke yet!

Knock, knock. Who's there? Nobel. Nobel who? Nobel prize-winning knock-knock joke right here!

Knock, knock. Who's there? Robin. Robin who? Robin you, now hand over the treats!

Knock, knock. Who’s there? Wood. Wood who? Wood you like to come in?

Knock, knock. Who's there? Ketchup. Ketchup who? Ketchup with me if you can!

Knock, knock. Who's there? Justin. Justin who? Justin the neighborhood, knocking on doors!

Knock, knock. Who's there? Nobel. Nobel who? Nobel-y now, let me in!

Knock, knock. Who's there? Olive. Olive who? Olive a sudden, I feel the need to dance!

Knock, knock. Who's there? Cow says. Cow says who? Cow says mooooove over, I'm coming in!

Knock, knock. Who's there? Boo. Boo who? Boo who? You take your time, I'll just wait outside!

Knock, knock. Who's there? Tank. Tank who? Tank goodness I found you!

Knock, knock. Who's there? Orange. Orange who? Orange you glad you answered this time?

Knock, knock. Who's there? Dishes. Dishes who? Dishes the police, open up, it's an emergency!

Knock, knock. Who's there? Fig. Fig who? Figure it out, it's a knock-knock joke!