The Little Mermaid: Ariel's Undersea Adventure The Little Mermaid: Ariel's Undersea Adventure The Little Mermaid: Ariel's Undersea Adventure (stylized The Little Mermaid ~ Ariel's Undersea Adventure) is a dark ride attraction based on the 1989 Disney animated film "The Little Mermaid", located in Paradise Gardens Park at Disney California Adventure and in Fantasyland at Walt Disney World's Magic Kingdom, where it is titled Under the Sea: Journey of the Little Mermaid (stylized Under the Sea ~ Journey of the Little Mermaid). The ride opened on June 3, 2011 at Disney California Adventure, and on December 6, 2012 at Magic Kingdom. In the early-to-mid-1990s, Walt Disney Imagineering
Ursula (The Little Mermaid) Disney's strongest villain in decades. Meanwhile, Carroll's performance has garnered similar acclaim to the point that the role has eclipsed her previous body of work, ultimately becoming virtually synonymous with the character. At the behest of Disney executives Michael Eisner and Jeffrey Katzenberg, director and screenwriter Ron Clements was among several filmmakers instructed to research new story ideas that could potentially be adapted into the studio's next major animated film release. Clements first discovered Hans Christian Andersen's classic fairy tale "The Little Mermaid" at a local bookstore, and began deliberating why Disney had never attempted to adapt the story before.