It’s finally official!! CBS and The CW have confirmed that ‘The Flash’ will make his way into National City. Grant Gustin will appear in an upcoming episode of  ‘Supergirl,’ slated for Monday, March 28 at 8/7c on CBS.

“We are so incredibly excited to announce something that we have dreamed of happening since we starting making Supergirl,” said The Flash and Supergirl Executive Producers Greg Berlanti and Andrew Kreisberg in a statement. “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.”

“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.”

What do you guys think? Chime in below!

‘Supergirl’ airs Mondays at 8 PM ET on CBS. ‘The Flash’ airs Tuesdays at 8 PM ET on The CW.