Kara Danvers' life is about to take a turn for the bizarre.

In the official episode description for "Bizarro," the 12th episode of "Supergirl's" premiere season, Bizarro -- the inverted version of Supergirl -- arrives in National City with one goal: destroy Kara.

"Bizarro" - Kara faces off against her mirror image when Bizarro (Hope Lauren), a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat's son, Adam (Blake Jenner), on SUPERGIRL, Monday, Feb. 1 (8:00-9:00 PM, ET/PT) on the CBS Television Network.

"Supergirl" airs Mondays at 8 pm EST on CBS. Developed by producers Greg Berlanti, Ali Adler and Andrew Kreisberg, the series stars Melissa Benoist, Calista Flockhart, David Harewood and Chyler Leigh.