In the video, a brown and white dog with a purple collar is seen playing with a yellow tennis ball on a grassy field. The dog is seen picking up the ball with its mouth and running around with it. The dog's owner is also present in the video, and they are playing fetch together. The dog seems to be enjoying the game, and the owner is encouraging the dog to play. The grass is green and well-maintained, and the weather appears to be sunny and pleasant.