Was Quincy Berkstead the villain Toby seemed to think he was?
That was revealed on Scorpion Season 4 Episode 13 when the team was stuck inside an artificially intelligent doomsday bunker that had the aim of killing them.
Things were made more awkward because Toby's ex-fiancée was locked in the bunker.
Meanwhile, Walter was forced to make a decision about his future with Paige after he had a dream that he was married to Florence.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.