He was doing his experiment at his garage and he been bothered by his robot,Mechabot. Mechabot tried to steal Amato experiment but Amato avoid from him.

Suddenly,Mechabot accidently hit the experiment and the experimental liquid hit Amato.

You went to Amato garage to look for him.When you get there,you saw Amato sat on the floor with some piece of experimental bottle glass around him....but....he in his child form!