Knock knock let me in

Never thought I'd actually have an occasion to reference this:
https://vignette.wikia.nocookie.net/villains/images/3/30/Womb.png/revision/latest/top-crop/width/300/height/300?cb=20171119213748

This is seriously the funniest video I have ever seen in my entire life and it’s only about 6 seconds long