Set in the fantastical Caribbean-inspired underwater kingdom of Atlantica, the series follows young mermaid princess Ariel as she embarks on fun-filled, action-packed mermaid adventures with her friends. It features fan-favorite characters, including King Triton, Ursula, Sebastian and Flounder, as well as exciting new additions like Ariel’s two best friends, mer-children Lucia and Fernie, and lots of other adorable sea creatures.