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
The Little Mermaid: Ariel's Undersea Adventure formerly occupied by "Golden Dreams". In September 2009, Disney announced that Mickey's Toontown Fair at the Magic Kingdom would be demolished to make room for an expansion of Fantasyland. One of the new elements would be a "Little Mermaid" dark ride, much like the one slated for construction in California. Under the Sea: Journey of the Little Mermaid opened on December 6, 2012. On March 20, 2014, the attraction at Disney California Adventure closed for maintenance. It reopened May 10, 2014 with several enhancements; new sea creature figures were added throughout the ride, a view of King Triton's castle was