Knock, Knock!
Who's there?
Hans!
Hans who?
Hans off my cat!

Knock, Knock!
Who's there?
Puss!
Puss who?
Puss-ibly we could climb that tree!

Knock, Knock!
Who's there?
Claws!
Claws who?
Claws the door behind us!

Knock, Knock!
Who's there?
Neil!
Neil who?
Neil down and pet this cat!

Knock, Knock!
Who's there?
Juan!
Juan who?
Juan day I'll get a cat of my own!

Knock, Knock!
Who's there?
Catsup.
Catsup who?
Catsup a tree and she won't come down!