In tonight’s episode of Supergirl, The Flash‘s Barry Allen (Grant Gustin) will visit Supergirl aka Kara Danvers (Melissa Benoist) in the first crossover between the two shows. With two of the fastest superheroes in the DC universe going head to head, expect a race of epic proportions. But who will win? Listen below to hear Geek Girl Riot’s Day Al-Mohamed tell you how she thinks the race will turn out, and don’t miss tonight’s crossover episode, ‘Worlds Finest’, tonight at 8pm on CBS!
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