Watch The Flash Online: Season 8 Episode 19

Who did not survive the biggest fight yet?

A familiar foe tried to destroy the team on The Flash Season 8 Episode 19.

With loyalties tested, Iris went on a mission to find out the cause of her time sickness.

Barry had to make one of his most shocking decisions to date, leaving people he loved in danger.

Use the video above to watch The Flash online right here via TV Fanatic.

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