在这部大白归来动画片中,《大白归来》讲述《超能陆战队》电影结局后，Hiro相信大白已经不会再回来，而他发现了哥哥Tadashi用来创造大白的芯片，这位14岁的科技天才将重建大白。但他过度自信，总想走捷径，这让他和新组建的“超能陆战队”成员们陷入了麻烦。
Hiro discovers a chip for Baymax's creation that was left behind by his late brother Tadashi, which inspires Hiro to recreate Baymax, after thinking his companion was gone forever. Of course, the task isn't as easy or straightforward as it initially seems, and the Big Hero 6 team quickly find themselves in trouble.
