The Flash will guest star in "Supergirl" this March

After appearing in a Variety magazine cover last May 2015 that teased the possibilities of a crossover, WB, DC, The CW, and CBS have made it official: The Flash is teaming up with Supergirl and will be visiting Nation City on an upcoming episode of the CBS series featuring the Girl of Steel! That means that Grant Gustin/ Barry Allen will be guest starring in the show that features Melissa Benoist as Kara Zor-El, meaning two former Glee stars are now heroes working together in what is going to be another milestone in DC TV Show history!

Catch The Flash guest starring role in "Supergirl" this March 28th!

Supergirl: "What you can expect this season" trailer debuts

Not wasting any time to promote what's up next for the season of the brand new TV Series based on a DC Comics character, CBS has released a "What you can expect this season" trailer for "Supergirl", which sees Melissa Benoist as Kara Zor-El/ Kara Danvers as a young hero who follows in the footsteps of her famous cousin, Superman!

Supergirl - What You Can Expect This Season
Supergirl airs every Mondays on CBS!