Prologue: Ballad of a Palmer

As the conclusion of "Phase 2 of the Big Heroverse" ends, Hiro and friends face a new threat in the form of the Galaxian Pirates, an evil organization dedicated to conquering San Fransokyo, who've already dealt severe wounds in the hearts of those he cares about.

Will Big Hero 6 be the ones to finally defeat them? Or will Phase 3 be the end of it all?