Who's there?
Cave shark.
Go away!
Knock knock.
Who's there?
Candygram.
You can't fool me! You are that Cave Shark. Go Away!
Knock knock.
Who's there?
Door Dash.
Oh boy! :sound of door opening:
Arrrrgh!
Here’s the clip. https://www.youtube.com/watch?v=p_NS2H55dxI