The end of the world makes people do some crazy things.
That rung true on Scorpion Season 4 Episode 1 when Team Scorpion was forced to work with their old nemesis Mark Collins in order to prevent the end of the world.
With tension amongst the team at an all-time high, they had to work together to secure the safety of the world.
Meanwhile, Walter and Paige struggled to move on from their latest drama.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.