question: Which Walt Disney production was based on Jules Verne's 1868 novel "Captain Grant's Children," The Misadventures of Merlin Jones or In Search of the Castaways?
answer: In Search of the Castaways
context: Title: The Children of Captain Grant (film)
  Passage: The Children of Captain Grant Russian: Дети капитана Гранта , "Deti kapitana Granta " is a 1936 Soviet adventure film directed by Vladimir Vaynshtok and David Gutman and starring Nikolai Cherkasov, Ivan Chuvelyov and Yuri Yuryev.  It is an adaptation of the novel "In Search of the Castaways" by Jules Verne.  The film was popular on its release, and was followed in 1941 by another Verne adaptation "Mysterious Island".  In the 1860s, two Scottish children go on a global search for their missing father, the sailor Captain Grant.
  Title: The Castaways of the Flag
  Passage: The Castaways of the Flag (French: "Seconde patrie" , lit.  "Second Fatherland", 1900) is an adventure novel written by Jules Verne.  The two volumes of the novel were initially published in English translation as two separate volumes: "Their Island Home" and "The Castaways of the Flag".  Later reprints were published as "The Castaways of the Flag".
  Title: The Misadventures of Merlin Jones
  Passage: The Misadventures of Merlin Jones is a 1964 Walt Disney production starring Tommy Kirk and Annette Funicello.  Kirk plays a college student who experiments with mind-reading and hypnotism, leading to run-ins with a local judge.  Funicello plays his girlfriend (and sings the film's title song written by brothers Robert and Richard Sherman).
  Title: Tom Ayrton
  Passage: Tom Ayrton is a fictional character who appears in two novels by French author Jules Verne.  He is first introduced as a major character in the novel "In Search of the Castaways" (1867–1868).  He then reappears in a later novel, "The Mysterious Island" (1874), in which his fate, left unknown at the ending of the previous novel, is resolved, and during the course of which his character undergoes change and achieves a redemption.
  Title: In Search of the Castaways (film)
  Passage: In Search of the Castaways is a 1962 Walt Disney Productions feature film starring Hayley Mills and Maurice Chevalier in a tale about a worldwide search for a shipwrecked sea captain.  The film was directed by Robert Stevenson from a screenplay by Lowell S. Hawley based upon Jules Verne's 1868 adventure novel "Captain Grant's Children".  The film was Mills' third of six for the Disney Studios.
citations: The Misadventures of Merlin Jones In Search of the Castaways (film)