Beats me, I forgot the punchline!

Butter let me in or I'll freeze out here!

Knock, knock. Who's there? Doughnut. Doughnut who? Doughnut forget to smile at my jokes!

Knock, knock. Who's there? Harry. Harry who? Harry up, these jokes won't tell themselves!

Knock, knock. Who's there? Ya. Ya who? Not Yahoo, it's a joke!

Knock, knock. Who's there? Atch. Atch who? Atch bless your funny bone!

Knock, knock. Who's there? Harry. Harry who? Harry up and listen to more jokes!

Knock, knock. Who's there? Cows. Cows who? Cows go mooooove over for more jokes!

Knock, knock. Who's there? Bacon. Bacon who? Bacon a cake for my birthday with more jokes!

Knock, knock. Who's there? Ice cream. Ice cream who? Ice cream for dessert after these jokes!

Knock, knock. Who's there? Butter. Butter who? Butter let me in, I'm getting chilly out here!

Knock, knock. Who's there? Atch. Atch who? Atch out, these jokes are contagious!

Knock, knock. Who's there? Boo. Boo who? Boo, did I scare you with my laughter?

Knock, knock. Who's there? Wooden shoe. Wooden shoe who? Wooden shoe like to dance?

Knock, knock. Who's there? Beets. Beets who? Beets me, these jokes are too good!

Knock, knock. Who's there? Cows. Cows who? Cows go moo, jokes go ha-ha!

Knock, knock. Who's there? Butter. Butter who? Butter hope you like my jokes!

Knock, knock. Who's there? Boo. Boo who? Boo-hoo, are you crying or laughing?

Knock, knock. Who’s there? Tank. Tank who? Tank you for being a great friend!

Knock, knock. Who’s there? Fire. Fire who? Fire trucks go wee-oo-wee-oo!

Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in out of the rain!