Warning: Spoilers for The Flash season 8, episode 16
Destroying Caitlin’s secret lab in The Flash was a bold choice for Barry Allen – but not one that didn’t come without proper setup. Grant Gustin’s character seemingly created a schism between himself and Caitlin Snow (Danielle Panabaker) with his shocking reaction to her Killer Frost plan. Thanks to Barry’s efforts, Caitlin’s attempts to revive her sister have faced a major setback (if they haven’t been sabotaged completely).
Finding a way to undo Frost’s tragic death is defining Caitlin’s newest arc in the Arrowverse series. She also has an ally in Chillblaine, who was convinced to help her in spite of his initial trepidations. Barry, on the other hand, took a much stronger stance in his refusal to help. Caitlin’s story took a backseat throughout The Flash season 8, episode 16, titled “The Curious Case of Bartholomew Allen”, but was addressed in a big way in the final scene, which saw Barry discover the truth about her intentions. Instead of simply expressing his disapproval of her current course of action, Barry used his powers to wreck all of her work.
Related: The Flash's New Hero Setup Must Overcome 1 Big Arrowverse Problem
Barry’s impulsive decision has been met with criticism due it to being perceived as cold and out-of-character. However, Barry’s own past makes sense of his choice not to let Caitlin try to resurrect Frost. She asked Barry what he would do if he could bring back his parents. What Caitlin seemed to overlook in this moment was that Barry in fact did try to restore his mother to life. Using time travel, Barry went back in time and incidentally created the Flashpoint timeline. The consequences of this mistake were dealt with quite heavily in The
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