Nega-Globby begins to take control of Globby's body to cause chaos around the city, turning Globby from an adored hero to a wanted criminal overnight.
- Ryan Potter as Hiro Hamada
- Scott Adsit as Baymax
- Génesis Rodríguez as Honey Lemon
- Khary Payton as Wasabi
- Jamie Chung as Go Go Tomago
- Brooks Wheelan as Fred
- Andy Richter as Globby
- Dee Bradley Baker as Nega-Globby
- Nestor Carbonell as Chief Cruz
- Alan Tudyk as Alistair Krei
- Big Hero 6 find a secret HQ.