Dora the Explorer (2000)

S7E1 Dora's Rescue in Mermaid Kingdom

Dora and Boots transform into aquatic beings to assist a stranded mermaid in reuniting with her mother. As they navigate the enchanting underwater world, they encounter various challenges and make new friends, all while using their problem-solving skills to ensure the mermaid finds her way home. With teamwork and determination, they embark on a magical journey filled with excitement and discovery.