In the video, we see a dog standing on a wooden floor. The dog is looking at a purple ball that is rolling towards it. The dog then starts to chase the ball, barking and running after it. The ball rolls away from the dog, and the dog continues to chase it around the room. The dog is medium-sized with a brown and white coat. The room has white walls and a white door. The ball is the only object in the room that the dog is interacting with.