When Supergirl was first announced for CBS, many questioned whether the show who was executive produced by Greg Berlanti (Arrow, The Flash, and now Legends of Tomorrow) would crossover with any of the CW shows. “We’ll see what happens” was the main answer, but the waiting doesn’t have to be much longer. Barry Allen/The Flash (Grant Gustin) will be racing over to meet Melissa Benoist’s Supergirl on the March 28th episode for a guest star appearance. The two actors were last seen on screen together on an episode of Glee, as their respective clubs
duked sang it out.
As always, Supergirl airs Mondays at 8pm on CBS, while the Flash airs on Tuesdays at 8pm on the CW.