Watch The Little Mermaid II: Return to the Sea (2000) HD Full Movie Free on solarmovie.do. Watch The Little Mermaid II: Return to the Sea (2000) online free. To protect her from a sea witch, Ariel's daughter is not allowed in the ocean; but when she becomes ...To protect her from a sea witch, Ariel's daughter is not allowed in the ocean; but when she becomes 12, she runs away to an adventure under the sea.