Hiro learns who the man in the Kabuki mask is, but it's not Callaghan. Nor is it Krei. It's Tadashi. And Hiro isn't exactly pleased. Rated PG-13

The Big Hero 6 gang was relieved when Callaghan was put into jail, but now relieved doesn't even come close to describe it. Callaghan's back, and this time he has help from a familiar someone... Now the gang has to face what might be the most dangerous mission ever. Who's the mysterious helper? Will the gang be able to find out!? Will they even make it...?

The guy in the mask isn't Keri or even Callagan but Tadachi....