Supergirl is an American superhero action-adventure drama television series developed by Ali Adler, Greg Berlanti, and Andrew Kreisberg, based on the DC Comics character Supergirl, created by Otto Binder and Al Plastino, that originally aired on CBS and premiered on October 26, 2015. Supergirl is a costumed superheroine who is the biological cousin to Superman and one of the last surviving Kryptonians. The series was officially picked up on May 6, 2015, and received a full season order on November 30, 2015. The series moved from CBS to The CW from its second season onwards.
On April 2, 2018, the series was renewed for a fourth season, which premiered on October 14, 2018. On January 31, 2019, The CW renewed the series for a fifth season. As of March 31, 2019, 82 episodes of Supergirl have aired