HBO: Knock, Knock.

Who's there?

Banana.

Banana who?

Knock, Knock.

Who's there?

Banana.

Banana who?

Knock, Knock.

Whoooo's theeeere?

Banana.

Banana whoooooo?

Knock, Knock.

Who's therrrrre?

Banana.

Bananaaaaaa who?

Knock, Knock.

Who's there?

Banana.

BANANA who?

Knock, Knock.

WHO IS THERE???!?!!!?!?!??!

Orange.

Oh.  Orange who?

Orange you glad I didn't say banana?