This video features a cartoon animation of a dolphin swimming in an underwater environment. The dolphin is shown swimming near a large rock formation, surrounded by various types of sea plants and coral. The colors are vibrant, with the water depicted in shades of blue and purple, and the plants in shades of green and purple. The dolphin is grey with a white underbelly and is shown swimming gracefully through the water. There are no other animals or humans visible in the video.