NikkiSiixx Reacts to Supergirl Flash Crossover – Worlds Finest

SPOILER ALERT if you haven’t watched this episode already, here’s you’re warning

Check out NikkiSiixx exclusive reaction video to CBS Supergirl / CW The Flash Cross Over. With episode Worlds Finest, Barry makes it to an alternate universe due to his super fast speed. Will he be able to help Supergirl and get back to his Earth?

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