"Hey Fred" Yeah Barney? "The Bee Gees have no hot chicks in the band" Yeah but ABBA do!

*knock knock* whos there? sir theres been an accident. theres been an accident who?

"Knock knock." "Who's there?" "Doorbell repairman."

Knock knock?? Who's there?? Jehovah Witness. Knock knock?? Knock knock?? Hello?? Knock knock??