Knock Knock Knock

So you've heard all the knock-knock jokes out there. So its times for the knock-knock meta jokes :p

Knock, knock!
Who's there?
Banana.
Banana who?
Knock, knock!
Who's there?
Banana.
Banana who?
Knock, knock!
Who's there?
Banana.
Banana who?
Knock, knock!
Who's there?
Orange who?
Orange you glad I didn't say "banana"?

Will you remember me in an hour?
Yes.
Will you remember me in a day?
Yes.
Will you remember me in a week?
Yes.
Will you remember me in a month?
Yes.
Will you remember me in a year?
Yes.
I think you won't.
Yes, I will.
Knock, knock!
Who's there?
See? You've forgotten me already!

and the best of them all..

Knock, knock!
Come in
. . .