Press the green flag when ready, and just relax a little while waiting a little, it will be over soon. And it's normal for it to repeat, wait for 2 rounds of "banana" then they'll say something else, so don't change it.
I learned how to do knock knock jokes from school, thank you Mr. H.! Also, this is my 1st successful project, I hope you like it! (Hey y'all, this was made by me a gazillion years ago, hope you get a chuckle out of it!)