Julia - "Knock Knock Grandpa John"
Grandpa John - "Who's there, Julia?"
J - "Eddie"
GJ - "Eddie who?"
J - "You don't have to cry about it Grandpa."
J - "Knock Knock Grandpa John"
GJ - "Who's there, Julia?"
J - "Julia"
GJ - "Julia who?"
J - "Hee Hee Heee You don't have to cry about it Grandpa."