Question: Which was created first, 20,000 Leagues Under the Sea or Superdad?

Context paragraphs:
Joshua Meador: Joshua Meador (1911 - 1965) was an animator, special effects artist, and animation director for the Disney studio.  He was a member of the team that created the special effects for "20,000 Leagues Under the Sea" (1954), for which the Walt Disney Studio won an Academy Award.  Meador also created the animation effects for the 1956 MGM science-fiction film "Forbidden Planet", most notably the "Monster from the Id" that attacks the spaceship.

20,000 Leagues Under the Sea (1954 film): 20,000 Leagues Under the Sea is a 1954 American Technicolor adventure film and the first science fiction film shot in CinemaScope.  The film was personally produced by Walt Disney through Walt Disney Productions, directed by Richard Fleischer, and stars Kirk Douglas, James Mason, Paul Lukas and Peter Lorre.  It was also the first feature-length Disney film to be distributed by Buena Vista Distribution.  The film is adapted from Jules Verne's 19th-century novel "Twenty Thousand Leagues Under the Sea".  It is considered an early precursor of the steampunk genre.

20,000 Leagues Under the Sea (1916 film): 20,000 Leagues Under the Sea is a 1916 silent film directed by Stuart Paton.  The film's storyline is based on the novel "Twenty Thousand Leagues Under the Sea" by Jules Verne.  It also incorporates elements from Verne's "The Mysterious Island".

Grand Canyonscope: Grand Canyonscope is a Donald Duck animated short released in 1954.  It was Disney's second cartoon filmed in CinemaScope (following "Toot, Whistle, Plunk and Boom"), and was produced to accompany Disney's first CinemaScope film "20,000 Leagues Under the Sea".

Peter Ellenshaw: His first worked in matte painting for producer Alexander Korda on such films as "Things to Come" (1936), and later on such Powell and Pressburger productions as "Black Narcissus" (1947) assisting his mentor W. (Walter) Percy Day.  A few years later, while still based in Europe, he began to work for Hollywood studios.  He worked for MGM on "Quo Vadis" (1951), but his most extensive association was with Walt Disney Studios beginning with their first completely live action feature film, "Treasure Island" (1950).  He went on to work on "20,000 Leagues Under the Sea" (1954) and "Mary Poppins" (1964), for which he won an Academy Award.  He retired after his work on "The Black Hole" (1979), but contributed matte paintings for "Dick Tracy" (1990).  His son Harrison is also an Academy Award-winning effects designer.

David Herter: David Herter is an American author.  His first novel was "Ceres Storm" (2000), which was chosen as one of the top 10 science fiction books of 2000 by Amazon.com, followed by "Evening's Empire" in 2002. " Ceres Storm" is a far-future space opera, telling of a boy's quest across a solar system ravaged by a nano-plague. " Evening's Empire", set on the Oregon coast, concerns a bereaved opera composer drawn to the small town of Evening, and to mysteries that accord strangely with his current project, an adaptation of "20,000 Leagues Under the Sea".

Valentine Browne, 1st Earl of Kenmare: Valentine Browne, 1st Earl of Kenmare (January 1754 – 3 October 1812) was the Seventh Baronet Browne.  He was created First Baron Castlerosse and First Viscount Kenmare on 12 February 1798, with the earlier peerages not being recognised.  He was created First Earl of Kenmare on 3 January 1801.

Superdad: Superdad is a 1973 American comedy film by Walt Disney Productions and starring Bob Crane, Barbara Rush, Kurt Russell, Joe Flynn, and Kathleen Cody.  The film marks the on-screen debut of Bruno Kirby.

30,000 Leagues Under the Sea: 30,000 Leagues Under the Sea is a 2007 film that is a modern update on the classic book "20,000 Leagues Under the Sea".  It stars Lorenzo Lamas as Lt. Aronnaux and Sean Lawlor as the misanthropic Captain Nemo.  It also stars Natalie Stone, Kerry Washington, and Kim Little.

20,000 Leagues Under the Sea (1985 film): 20,000 Leagues Under the Sea is a 1985 Australian made-for-television animated film from Burbank Films Australia.  The film is based on Jules Verne's classic novel, "Twenty Thousand Leagues Under the Sea", and was adapted by Stephen MacLean.  It was produced by Tim Brooke-Hunt and featured original music by John Stuart.  The copyright in this film is now owned by Pulse Distribution and Entertainment and administered by digital rights management firm NuTech Digital.

Supporting paragraphs: 20,000 Leagues Under the Sea (1954 film) Superdad
Answer: 20,000 Leagues Under the Sea