Knock, knock. Who’s there? Nuisance. Nuisance who? What’s new since yesterday?
Knock, knock! Who’s there? Alamos. Alamos who? Alamos at the end.
Knock, knock! Who’s there? Earl. Earl who? Earl-y to bed, I have to go to work in the morning.
Knock, knock! Who’s there? Dawn. Dawn who? Dawn tell any more knock-knock jokes.
Knock, knock! Who’s there? Knot. Knot who? Knot another knock-knock joke, please!