Did the world's greatest heroes prove to be a match for Anti-Monitor?
On Supergirl Season 5 Episode 9, Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom, and Superman were brought together by Harbringer.
Some of the heroes had already fought alongside one another before, but who was against joining the fight?
With their worlds in imminent danger, it was time for everyone to fight back against the villains.
Which Earths were destroyed for good?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.