Assertion: past | /r/HasProperty | prologue
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text: What's Past Is Prologue" is the eighth episode of the fifth season of the American television series The Flash, based on the DC Comics character Barry Allen / Flash, a crime scene investigator who gains super-human speed, which he uses to fight criminals, including others who have also gained superhuman abilities.
text: What's Past Is Prologue" originally aired on The CW on December 4, 2018, and was watched by 1.78 million viewers according to Nielsen Media Research.
text: The Flash's "What's Past Is Prologue", Arrow's "Unmasked", and Supergirl's "Bunker Hill".