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The Flash: What's the ‘Big Mistake’ of Barry & Iris' Daughter?

We don't know if the Flash's first attempt at the super-sonic punch would have been successful or not; time stops before it can be delivered, thus we never see what effect Barry's actions would have had. However, if Nora felt compelled to help, it's safe to assume her assistance made all the difference. A speedster like herself would know the consequences of interfering with time, and breaking those rules was probably done for a very good reason.

The truth is, we don't know what kind of future Nora comes from. It's very possible that it's one where Central City was completely destroyed at the precise point in time where she fully revealed herself to her future father. After all, we already know that Nora comes from 30 years into the future -- a dystopian era that the Legends of Tomorrow have visited already.

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Whether Nora comes from a similar future or not, we saw her create an alternate timeline in the closing moments of Season 4. This being the Arrowverse, her act will absolutely have drastic consequences -- consequences that might even alter Nora's very existence. For that reason, it appears her only choice will be to ask for help from the only people who can help: Her parents and the rest of Team Flash.

But what will be the cost of fixing such a massive mistake? It seems we'll be poised to revisit the end of the Season 4 finale at some point next season, for better or for worse.

Airing Tuesdays at 8 p.m. ET/PT on The CW, The Flash stars Grant Gustin as Barry Allen, Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Candice Patton as Iris West, Jesse L. Martin as Joe West, and Tom Cavanagh as Harry Wells, with guest appearances from Keiynan Lonsdale as Wally West and Hartley Sawyer as the Elongated Man. The series will return next fall.

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