A.V. Club

TV Club: The Flash gets stuck in the mopiest timeline

“I made a big mistake.”

At least Barry admits it right off the bat, although he might well be speaking for a creative team attempting to course-correct for a narrative loophole intrinsic to the Flash mythos. The problem is simple: if the Flash can travel back in time and change the past, as he’s already done several times throughout the course of the series, why wouldn’t he simply do that every time something goes wrong? “Paradox” exists to solve that problem, and it does so well enough, but that doesn’t stop the episode from being a real drag most of the time.

One of the major issues this week is the need to explain the mechanics of time travel as they apply to Barry’s dilemma. Hardcore comic book and science fiction fans have long since absorbed these tropes, but more casual viewers may still be experiencing …

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