Knock, knock. Who's there? Chris. Chris who? Christmas is right around the corner, time for more jokes!

Knock, knock. Who's there? Susan. Susan who? Susan your welcome, enjoy another joke!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's chilly out here without laughter!

Knock, knock. Who's there? Sweet. Sweet who? Sweet dreams are made of knock-knock jokes!

Knock, knock. Who's there? Guess. Guess who? Guess it's time for another knock-knock joke!

Knock, knock. Who's there? Banana. Banana who? Banana split, let's hear another knock-knock joke!

Knock, knock. Who's there? Boo. Boo who? Boo! Another knock-knock joke for you!

Knock, knock. Who's there? Mustache. Mustache who? Mustache you a question: want to hear another knock-knock joke?

Knock, knock. Who's there? Dewey. Dewey who? Dewey need more knock-knock jokes to keep the fun going!

Knock, knock. Who's there? Olive. Olive who? Olive the other reindeer love hearing knock-knock jokes!

Knock, knock. Who's there? Dishes. Dishes who? Dishes the best time for more knock-knock jokes!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce celebrate with another knock-knock joke!

Knock, knock. Who's there? Nobel. Nobel who? Nobel prize for laughing at this knock-knock joke!

Knock, knock. Who's there? Luke. Luke who? Luke out the window and see who's knocking!

Knock, knock. Who's there? Julius. Julius who? Julius Caesar, it's time for another knock-knock joke!

Knock, knock. Who's there? Perch. Perch who? Perch on the edge of your seat for this knock-knock joke!

Knock, knock. Who's there? Yule. Yule who? Yule log on to hear another knock-knock joke!

Knock, knock. Who's there? Anita. Anita who? Anita laugh, it's time for another knock-knock joke!

Knock, knock. Who's there? Impatient cow. Impatient cow who? Moooove over, it's time for a knock-knock joke!

Knock, knock. Who's there? Britney. Britney who? Britney Spears loves a good knock-knock joke!

Knock, knock. Who's there? Boo. Boo who? Boo-coup a laugh with this knock-knock joke!