In the video, a man wearing a green shirt and gray pants is seen throwing tennis balls for a brown dog to catch. The dog eagerly chases after the balls, jumping and catching them in its mouth. The man throws the balls in different directions, and the dog runs around the room, trying to catch them all. The room has a wooden floor and walls, and there are several tennis balls scattered around the floor. The man and the dog seem to be having a great time playing together.