The sound of splashing water and the bright, colorful animation of a child's hand turning on a faucet.

The video opens with a close-up of a bathroom sink where a child's hand turns on the faucet, and water starts to splash. The text "Splish-splash splish-splash" appears. Then, a mother and child are shown at a sink, with the mother demonstrating how to wash hands. The child watches intently. The scene transitions to the mother dispensing soap into the child's hands, creating bubbles. The text "Bolhas de sabão nas mãos" appears. The mother and child then rub their hands together, followed by rinsing. The text "Esfregue esfregue enxágue enxágue" is shown. The video ends with the mother and child showing clean hands, followed by a montage of children and the "DomiKids" logo, with a "Inscreva-se" (Subscribe) button.