The Little Mermaid: Ariel's Undersea Adventure attempted to develop a "Little Mermaid" dark ride for Disneyland Paris and Magic Kingdom parks. Early plans for Tokyo DisneySea and Hong Kong Disneyland also included this ride. None of these versions were actually built, although a computer-generated ride-through animatic was included on the Platinum Edition DVD of "The Little Mermaid" in 2006. Disney later went on to design and build a different version of the attraction for Disney California Adventure, as part of an effort to revitalize that park in the 2000s. The Little Mermaid: Ariel's Undersea Adventure opened on June 3, 2011 in an area of Paradise Pier
Ursula (The Little Mermaid) Clements eventually learned that Walt Disney himself had actually attempted to adapt the fairy tale into a feature-length animated film as early as the 1930s, but the project was ultimately shelved due in part to its sad ending. Clements suggested "The Little Mermaid" to Katzenberg, who finally green-lit it after having first rejected it. Hardly present in Andersen's original story, the sea witch is not a prominent character and lacks a proper name. Among Clements' ideas to alter the story, the filmmaker decided to "make the witch more of a villain", describing Ursula as "a fun character to develop" into