Did Walter survive a freak fall?
That was revealed on Scorpion Season 4 Episode 12 when he decided it was a good idea to work through Christmas Eve.
However, he found himself in trouble when he fell down stairs and hit his head. He entered a dream-like state and imagined a world in which Team Scorpion never existed.
How did he meet everyone from the team if they ceased to exist?
Meanwhile, two characters solidified their relationship, but did it come at the expense of another relationship?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.