It's We are Number One but every time they say one, two or worst opposite day starts

Thanks to grande1899 (also known as grandayy ) for opposite version of We are Number One: https://www.youtube.com/watch?v=fb4xGirFOq8 Stefan Karl (actor of Robbie Rotten) is in fight againt cancer! (not internet cancer) Help him! https://www.gofundme.com/2tm9tqk