New ‘Supergirl’/’Flash’ Crossover Trailer: Who’s the Fastest Person Alive?

While The Flash may be the fastest man alive, is he the fastest person alive?

CBS has unveiled another quick promo for the highly-anticipated Supergirl/Flash crossover dropping on March 28, that pits Supergirl vs. the fastest man alive in The Flash.

So, who is the fastest person alive?


Guess we’ll have to wait until March 28 to learn the answer. Though something tells me we might not find out a definitive answer.

Supergirl airs Mondays at 8/7c on CBS and The Flash airs Tuesdays at 8/7c on The CW.

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