Knock, knock. Who's there? Tank. Tank who? Tank me later for the joke!

Knock, knock. Who's there? Justin. Justin who? Justin time for the punchline!

Knock, knock. Who's there? Iota. Iota who? Iota think this joke is getting old!

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

Knock, knock. Who's there? Owen. Owen who? Owen a boat, far out at sea!

Knock, knock. Who's there? Anna. Anna who? Anna other great knock-knock joke!

Knock, knock. Who's there? Cow. Cow who? Cow can you hear me knocking?

Knock, knock. Who's there? Henrietta. Henrietta who? Henrietta bit of sugar for my tea?

Knock, knock. Who's there? Kay. Kay who? Kay-rrect me if I'm wrong but this joke is funny!

Knock, knock. Who's there? Sarah. Sarah who? Sarah the end of the knock-knock joke is near!

Knock, knock. Who's there? Will. Will who? Will you let me in, it's getting cold out here!

Knock, knock. Who's there? Abigail. Abigail who? Abigail bit late but I'm here to tell a joke!

Knock, knock. Who's there? Butter. Butter who? Butter let me in already!

Knock, knock. Who's there? Noah. Noah who? Noah other way to say this joke!

Knock, knock. Who's there? Dishes. Dishes who? Dishes me, who else would be knocking!

Knock, knock. Who's there? Olive. Olive who? Olive you need in this life is laughter!

Knock, knock. Who's there? Bee. Bee who? Bee careful, there's a bee behind you!

Knock, knock. Who's there? Ivan. Ivan who? Ivan your heart forever!

Knock, knock. Who's there? Olive. Olive who? Olive a sudden, I feel the urge to tell a joke!

Knock, knock. Who's there? Alpaca. Alpaca who? Alpaca the suitcase, we're going to grandma's!

Knock, knock. Who's there? Honey. Honey who? Honeydew you want to hear another knock-knock joke?