Star-Crossed

"Star-Crossed" is the upcoming sixteenth episode of the second season of Supergirl, and the thirty-sixth episode overall. It will air on March 20, 2017. It will start a musical crossover between The Flash and Supergirl which will continue with the seventeenth episode of the third season of "The Flash".

Synopsis
A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn's girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl.