Supergirl and Flash Crossover Title Revealed
Earlier saw CBS announce The Flash will be appearing on Supergirl, and now Grant Gustin has shared the episode title.
Gustin posted a page from the script on his Instagram which reveals the Supergirl episode title to be "Worlds Finest."
The Flash is due to race into National City on Monday, March 28th.
Worlds Finest is also a reference to Batman and Superman.