The video begins with a black background and the word "UFO" in bold yellow letters. A green alien figure appears next to the letters, and the figure moves around the letters. The alien figure is depicted with a large head, small body, and big black eyes. The figure is shown in different positions, including standing and waving. The video ends with the alien figure standing next to the letters "UFO" and the text "WHAT IS YOUTUBE?" in yellow letters.