Scorpion Season 4 Episode 12
Overview
On Christmas Eve, when Walter chooses work over spending quality time with his friends, he falls down the stairs and hits his head, and as he lays unconscious, he enters a dream world where Team Scorpion never existed.
Director: LeVar Burton
Guest Star: Andy Buckley, Daniel Dratch, Kevin Weisman, Nikki Castillo, Tina Majorino