• Knock, knock.
  Who’s there?
  Feline.
  Feline who?
  Feline fine after reading all these cat jokes!

Knock, knock.

Who’s there?

Dishes.

Dishes who?

Dishes a really bad joke. 

• Knock, knock.
  Who’s there?
  Cargo.
  Cargo who?
  Car go beep!

• Knock, knock.
  Who’s there?
  Lettuce.
  Lettuce who?
  Lettuce in. It’s cold out here!

• Knock, knock.
  Who’s there?
  Cash.
  Cash who?
  No, thanks. I prefer peanuts.

• Knock, knock.
  Who’s there?
  Little old lady.
  Little old lady who?
  Hey, I didn’t know you could yodel!

• Knock, knock.
  Who’s there?
  Beets.
  Beets who?
  Beets me. I’m just here for the jokes.

• Knock, knock.
  Who’s there?
  Doris.
  Doris who?
  Doris locked. That’s why I’m knocking!

• Knock, knock.
  Who’s there?
  Harry.
  Harry who?
  Harry up and open the door!

• Knock, knock.
  Who’s there?
  Heywood.
  Heywood who?
  Heywood you open the door already?

• Knock, knock.
  Who’s there?
  Woo.
  Woo who?
  Don’t get too excited—it’s just a silly knock-knock joke!