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After the San Francisco earthquake of 1906, Japanese immigrants helped to rebuild the city and the name was changed to San Fransokyo. At an unknown point in the future, San Fransokyo became a high-tech metropolis with a very advanced university for young minds to develop new ideas.[1]

  • Prior to being given an official reality number, this universe was known as Earth-TRN441 as part of our Temporary Reality Numbers classification system.
  • The history about the reconstruction of San Francisco into San Fransokyo was not given in the film.
  • In March 2016, it was announced that a 2D-animated tv-series of Big Hero 6 was under development, planned for a 2017 release on Disney XD.[2]
  • In 2017, Big Hero 6: The Series aired on Disney XD with the episode "Baymax Returns," then in 2018 more episodes followed and introducing fans to more villains like Globy and Obake.
  • Big Hero 6 was the first animated film based on a Marvel property to be theatrically released. The second was Spider-Man: Into the Spider-Verse. Both won Oscars for best-animated feature.



  1. San Fransokyo architects built a new world for Disney’s ‘Big Hero 6′ (24 October 2014). Retrieved on 20 December 2014.
  2. Sandberg, Bryn Elise, "'Big Hero 6' TV Series Set for Disney XD", Hollywood Reporter, 2016-03-02. Retrieved on 2016-12-14.


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