In the video, a person is seen washing yellow squash in a white colander under a running faucet. The person is holding the squash with one hand and rinsing it with the other. The squash is being washed thoroughly, and the person is making sure to get all sides of the squash. The colander is placed in a stainless steel sink, and there is a blue bowl visible in the background. The person's movements are deliberate and careful, ensuring that the squash is cleaned properly.