The Flash & Supergirl Crossover is Officially Confirmed (Updated)

After months of rumors, it has been officially confirmed that Grant Gustin will appear on CBS’ Supergirl as Barry Allen / The Flash next month.

“We are so incredibly excited to announce something that we have dreamed of happening since we starting making Supergirl – The Flash and Supergirl are teaming up!,” said The Flash and Supergirl Executive Producers Greg Berlanti and Andrew Kreisberg. “We want to thank Grant Gustin for making the time to come visit (on top of his already immense workload) and all of the folks at CBS, The CW, Warner Bros. and DC for working this out. And finally thanks to the fans and journalists who have kept asking for this to happen. It is our pleasure and hope to create an episode worthy of everyone’s enthusiasm and support.”

Gustin will appear in episode 18 of Supergirl.

The title of the episode, which Grant Gustin will guest star in will be titled Worlds Finest. Gustin himself took a picture of the script title himself and uploaded onto Instagram.

Really really. Flash is about to meet Supergirl. @melissabenoist

A photo posted by Grant Gustin (@grantgust) on


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