Knock! Knock! Who’s there? Leaf…

Knock! Knock! Who's there? A little old lady. A little old lady who? Dang! All this time, I had no...

Knock! Knock! Who's there? Europe Europe who? No, you're a poo!

Knock! Knock! Who's there? Teresa. Teresa who? Teresa are green!

Knock! Knock! Who's there? Lettuce. Lettuce who? Lettuce in it's cold out here.

Knock! Knock! Who's there? Lion. Lion who? Lion on your doorstep, open up!