Baymax nodded. "Yes," he said. "At the time I was called to Wake, it had been only two weeks, three days, eleven hours, and twenty-one minutes since the decision for Big Hero 6 to continue operating as superheroes had been officially made. We were in your lab at San Fransokyo Technical Institute; you were performing an upgrade to my superhero chip and I was observing."

"If an individual returns permanently to their dimension of origin, they are unable to retain any memories formed during their time in Nautilus," Baymax said. "If they are ever returned to Nautilus, these memories are sometimes restored, but that is not always the case. Given available records, there appears to be no consistent pattern regarding memory recovery."