Watch The Flash Online: Season 6 Episode 4

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Did Barry make his biggest mistake yet?

On The Flash Season 6 Episode 4, Barry told Cisco all about the incoming crisis. 

Ralph and Cisco - The Flash Season 6 Episode 3

But Cisco refused to let his friend die an started scheming to find ways to save his life. 

Did trying to change fate ruin everything?

Meanwhile, Ramsey Rosso used his deadly new abilities to save his own life.

Iris West - The Flash Season 6 Episode 3

In the process, however, he said goodbye to his humanity. 

How did Iris feel about it?

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

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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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The Flash Season 6 Episode 4 Quotes

Red flag city.

Cisco

You know exactly what that is, and I don't care what powers you have, if you want it, you'll have to go through me.

Cisco