Solitude

"Solitude" is the fifteenth episode of the first season of Supergirl. It is set to air on February 29, 2016.

Synopsis
Kara travels to Superman’s Fortress of Solitude in hopes of learning how to defeat Indigo, a dangerous being who can transport via the Internet and who has a connection to Kara’s past. Also, James’s relationship with Lucy reaches a crossroads.

Link
Solitude