The Flash: Every Change Nora & Bart Made To The Timeline
Warning! SPOILERS for The Flash season 8, episode 6, «Impulsive Excessive Disorder.»
Nora and Bart West-Allen made a number of accidental changes to the timeline in The Flash season 8 episode «Impulsive Excessive Disorder.» This is part and parcel of life for a speedster in the Arrowverse, where it is all but impossible for someone to travel in time without unintended consequences. Even veteran speedsters have difficulty in managing it and the first Flash, Jay Garrick, compared the whole process to gluing a broken coffee cup together, saying that "no matter how hard you try, it's never gonna be exactly how it was."
The events of «Impulsive Excessive Disorder» spun out of the final story arc ofThe Flash season 7, where Nora «XS» West-Allen (Jessica Parker Kennedy) and Bart «Impulse» West-Allen (Jordan Fisher) traveled back in time from the year 2049 to stopImpulse's archenemy Godspeed from changing the timeline. Many fans wondered how they were able to do this without any apparent side effects, given the problems caused in earlier seasons of The Flash when their father, Barry Allen (Grant Gustin) attempted to change his past while dealing with other villainous speedsters. «Impulsive Excessive Disorder» answered this question, placing the two young heroes in a race against time to fix the unwanted changes brought about by their trip to 2021 with another trip to 2013.
Related: The Flash: Season 7 Cosmic Forces, Explained
Nora and Bart made a number of minor changes during their visit to 2013 that established several things in the status quo of The Flash season 1. Despite this, the episode ended happily with the future timeline of 2049 apparently secured. However, it seems likely that the trip will facilitate additional
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