- Ryan Potter as Hiro Hamada
- Scott Adsit as Baymax
- Jamie Chung as Go Go Tomago
- Brooks Wheelan as Fred
- Khary Payton as Wasabi
- Génesis Rodríguez as Honey Lemon
- This is the official sequel/pilot to Big Hero 6.
- The official episode was leaked by accident from Jamie Chung's twitter account.
International premiere datesEdit
|Australia & New Zealand||2018||Disney XD|
|United Kingdom||January 2018||Disney XD|
|Middle East||2018||Disney XD & Disney Channel|