It’s Happening! CBS Confirms ‘Supergirl’ and ‘The Flash’ Crossover
Supergirl and The Flash
CBS announced today that Grant Gustin will be guest starring as Barry
Allen/The Flash in and upcoming episode of Supergirl!
Greg Berlanti and Andrew Kreisberg are producers on both shows and had a hand in making it happen, CBS says.
The Flash will visit The National City on March 28th during Supergirl on CBS.