The video shows a group of animated monsters dancing and singing. The monsters are colorful and have different shapes and sizes. They are all wearing party hats and seem to be having a good time. The background is a simple, cartoon-style drawing of a room with a wooden floor. The monsters are moving their bodies and arms in a rhythmic way, and their mouths are open as if they are singing. The video is bright and cheerful, with a playful and fun atmosphere.